octave-lyh: liboctave/Array.cc annotate

annotate liboctave/Array.cc @ 8290:7cbe01c21986

improve dense array indexing

author	Jaroslav Hajek <highegg@gmail.com>
date	Mon, 20 Oct 2008 16:54:28 +0200
parents	6c08e3921d3e
children	f2e050b62199

rev	line source
1993 1b57120c997b [project @ 1996-03-03 01:16:15 by jwe] jwe parents: 1989 diff changeset	1 // Template array classes
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	2 /*
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	3
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	4 Copyright (C) 1993, 1994, 1995, 1996, 1997, 2000, 2002, 2003, 2004,
a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	5 2005, 2006, 2007 John W. Eaton
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	6 Copyright (C) 2008 Jaroslav Hajek <highegg@gmail.com>
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	7
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	8 This file is part of Octave.
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	9
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	10 Octave is free software; you can redistribute it and/or modify it
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	11 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6922 diff changeset	12 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6922 diff changeset	13 option) any later version.
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	14
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	15 Octave is distributed in the hope that it will be useful, but WITHOUT
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	18 for more details.
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	19
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	20 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6922 diff changeset	21 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6922 diff changeset	22 <http://www.gnu.org/licenses/>.
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	23
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	24 */
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	25
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	26 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1011 diff changeset	27 #include <config.h>
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	28 #endif
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	29
1367 9f9131a8d706 [project @ 1995-09-06 00:07:03 by jwe] jwe parents: 1360 diff changeset	30 #include <cassert>
4518 382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe] jwe parents: 4517 diff changeset	31 #include <climits>
449 3cef0ce5dd7d [project @ 1994-06-05 21:58:52 by jwe] jwe parents: 386 diff changeset	32
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 2847 diff changeset	33 #include <iostream>
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5632 diff changeset	34 #include <sstream>
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	35 #include <vector>
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	36 #include <algorithm>
6674 e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	37 #include <new>
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	38
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	39 #include "Array.h"
4588 19bfd295f400 [project @ 2003-11-10 17:18:48 by jwe] jwe parents: 4587 diff changeset	40 #include "Array-util.h"
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	41 #include "idx-vector.h"
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	42 #include "lo-error.h"
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	43
1360 7eb93d12654c [project @ 1995-09-05 21:51:54 by jwe] jwe parents: 1321 diff changeset	44 // One dimensional array class. Handles the reference counting for
7eb93d12654c [project @ 1995-09-05 21:51:54 by jwe] jwe parents: 1321 diff changeset	45 // all the derived classes.
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	46
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	47 template <class T>
4834 8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	48 Array<T>::Array (const Array<T>& a, const dim_vector& dv)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	49 : rep (a.rep), dimensions (dv)
4834 8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	50 {
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	51 rep->count++;
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	52
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	53 if (a.numel () < dv.numel ())
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	54 (*current_liboctave_error_handler)
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	55 ("Array::Array (const Array&, const dim_vector&): dimension mismatch");
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	56 }
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	57
8f669cc5a901 [project @ 2004-03-11 18:49:17 by jwe] jwe parents: 4832 diff changeset	58 template <class T>
1619 1a35c8c91349 [project @ 1995-11-04 11:07:21 by jwe] jwe parents: 1574 diff changeset	59 Array<T>::~Array (void)
1a35c8c91349 [project @ 1995-11-04 11:07:21 by jwe] jwe parents: 1574 diff changeset	60 {
1a35c8c91349 [project @ 1995-11-04 11:07:21 by jwe] jwe parents: 1574 diff changeset	61 if (--rep->count <= 0)
1a35c8c91349 [project @ 1995-11-04 11:07:21 by jwe] jwe parents: 1574 diff changeset	62 delete rep;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	63 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	64
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	65 template <class T>
7717 ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	66 Array<T>&
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	67 Array<T>::operator = (const Array<T>& a)
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	68 {
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	69 if (this != &a)
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	70 {
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	71 if (--rep->count <= 0)
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	72 delete rep;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	73
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	74 rep = a.rep;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	75 rep->count++;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	76
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	77 dimensions = a.dimensions;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	78 }
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	79
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	80 return *this;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	81 }
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	82
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7646 diff changeset	83 template <class T>
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	84 Array<T>
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	85 Array<T>::squeeze (void) const
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	86 {
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	87 Array<T> retval = *this;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	88
4929 585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	89 if (ndims () > 2)
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	90 {
4929 585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	91 bool dims_changed = false;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	92
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	93 dim_vector new_dimensions = dimensions;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	94
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	95 int k = 0;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	96
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	97 for (int i = 0; i < ndims (); i++)
4759 364bbf35dbfa [project @ 2004-02-15 00:08:06 by jwe] jwe parents: 4757 diff changeset	98 {
4929 585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	99 if (dimensions(i) == 1)
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	100 dims_changed = true;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	101 else
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	102 new_dimensions(k++) = dimensions(i);
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	103 }
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	104
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	105 if (dims_changed)
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	106 {
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	107 switch (k)
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	108 {
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	109 case 0:
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	110 new_dimensions = dim_vector (1, 1);
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	111 break;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	112
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	113 case 1:
4759 364bbf35dbfa [project @ 2004-02-15 00:08:06 by jwe] jwe parents: 4757 diff changeset	114 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	115 octave_idx_type tmp = new_dimensions(0);
4929 585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	116
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	117 new_dimensions.resize (2);
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	118
4759 364bbf35dbfa [project @ 2004-02-15 00:08:06 by jwe] jwe parents: 4757 diff changeset	119 new_dimensions(0) = tmp;
364bbf35dbfa [project @ 2004-02-15 00:08:06 by jwe] jwe parents: 4757 diff changeset	120 new_dimensions(1) = 1;
364bbf35dbfa [project @ 2004-02-15 00:08:06 by jwe] jwe parents: 4757 diff changeset	121 }
4929 585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	122 break;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	123
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	124 default:
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	125 new_dimensions.resize (k);
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	126 break;
585e9a8c2ef8 [project @ 2004-08-03 20:45:34 by jwe] jwe parents: 4916 diff changeset	127 }
4759 364bbf35dbfa [project @ 2004-02-15 00:08:06 by jwe] jwe parents: 4757 diff changeset	128 }
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	129
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5765 diff changeset	130 // FIXME -- it would be better if we did not have to do
5047 36f954d8d53a [project @ 2004-10-18 17:34:51 by jwe] jwe parents: 5039 diff changeset	131 // this, so we could share the data while still having different
36f954d8d53a [project @ 2004-10-18 17:34:51 by jwe] jwe parents: 5039 diff changeset	132 // dimension vectors.
36f954d8d53a [project @ 2004-10-18 17:34:51 by jwe] jwe parents: 5039 diff changeset	133
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	134 retval.make_unique ();
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	135
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	136 retval.dimensions = new_dimensions;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	137 }
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	138
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	139 return retval;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	140 }
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	141
6674 e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	142 // KLUGE
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	143
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	144 // The following get_size functions will throw a std::bad_alloc ()
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	145 // exception if the requested size is larger than can be indexed by
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	146 // octave_idx_type. This may be smaller than the actual amount of
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	147 // memory that can be safely allocated on a system. However, if we
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	148 // don't fail here, we can end up with a mysterious crash inside a
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	149 // function that is iterating over an array using octave_idx_type
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	150 // indices.
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	151
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	152 // A guess (should be quite conservative).
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	153 #define MALLOC_OVERHEAD 1024
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	154
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	155 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	156 octave_idx_type
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	157 Array<T>::get_size (octave_idx_type r, octave_idx_type c)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	158 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	159 static int nl;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	160 static double dl
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	161 = frexp (static_cast<double>
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	162 (std::numeric_limits<octave_idx_type>::max() - MALLOC_OVERHEAD) / sizeof (T), &nl);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	163
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	164 int nr, nc;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	165 double dr = frexp (static_cast<double> (r), &nr); // r = dr * 2^nr
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	166 double dc = frexp (static_cast<double> (c), &nc); // c = dc * 2^nc
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	167
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	168 int nt = nr + nc;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	169 double dt = dr * dc;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	170
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	171 if (dt < 0.5)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	172 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	173 nt--;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	174 dt *= 2;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	175 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	176
6674 e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	177 if (nt < nl \|\| (nt == nl && dt < dl))
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	178 return r * c;
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	179 else
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	180 {
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	181 throw std::bad_alloc ();
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	182 return 0;
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	183 }
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	184 }
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	185
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	186 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	187 octave_idx_type
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	188 Array<T>::get_size (octave_idx_type r, octave_idx_type c, octave_idx_type p)
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	189 {
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	190 static int nl;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	191 static double dl
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	192 = frexp (static_cast<double>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	193 (std::numeric_limits<octave_idx_type>::max() - MALLOC_OVERHEAD) / sizeof (T), &nl);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	194
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	195 int nr, nc, np;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	196 double dr = frexp (static_cast<double> (r), &nr);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	197 double dc = frexp (static_cast<double> (c), &nc);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	198 double dp = frexp (static_cast<double> (p), &np);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	199
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	200 int nt = nr + nc + np;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	201 double dt = dr * dc * dp;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	202
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	203 if (dt < 0.5)
659 fe75d98598d6 [project @ 1994-08-29 21:23:06 by jwe] jwe parents: 645 diff changeset	204 {
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	205 nt--;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	206 dt *= 2;
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	207
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	208 if (dt < 0.5)
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	209 {
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	210 nt--;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	211 dt *= 2;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	212 }
659 fe75d98598d6 [project @ 1994-08-29 21:23:06 by jwe] jwe parents: 645 diff changeset	213 }
1619 1a35c8c91349 [project @ 1995-11-04 11:07:21 by jwe] jwe parents: 1574 diff changeset	214
6674 e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	215 if (nt < nl \|\| (nt == nl && dt < dl))
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	216 return r * c * p;
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	217 else
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	218 {
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	219 throw std::bad_alloc ();
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	220 return 0;
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	221 }
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	222 }
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	223
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	224 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	225 octave_idx_type
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	226 Array<T>::get_size (const dim_vector& ra_idx)
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	227 {
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	228 static int nl;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	229 static double dl
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	230 = frexp (static_cast<double>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	231 (std::numeric_limits<octave_idx_type>::max() - MALLOC_OVERHEAD) / sizeof (T), &nl);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	232
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	233 int n = ra_idx.length ();
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	234
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	235 int nt = 0;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	236 double dt = 1;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	237
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	238 for (int i = 0; i < n; i++)
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	239 {
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	240 int nra_idx;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	241 double dra_idx = frexp (static_cast<double> (ra_idx(i)), &nra_idx);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	242
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	243 nt += nra_idx;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	244 dt *= dra_idx;
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	245
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	246 if (dt < 0.5)
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	247 {
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	248 nt--;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	249 dt *= 2;
01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	250 }
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	251 }
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	252
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	253 if (nt < nl \|\| (nt == nl && dt < dl))
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	254 {
6674 e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	255 octave_idx_type retval = 1;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	256
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	257 for (int i = 0; i < n; i++)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	258 retval *= ra_idx(i);
6674 e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	259
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	260 return retval;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	261 }
6674 e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	262 else
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	263 {
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	264 throw std::bad_alloc ();
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	265 return 0;
e236f1b0a221 [project @ 2007-05-31 18:19:01 by jwe] jwe parents: 6553 diff changeset	266 }
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	267 }
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	268
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	269 #undef MALLOC_OVERHEAD
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	270
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	271 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	272 octave_idx_type
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	273 Array<T>::compute_index (const Array<octave_idx_type>& ra_idx) const
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	274 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	275 octave_idx_type retval = -1;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	276
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	277 int n = dimensions.length ();
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	278
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	279 if (n > 0 && n == ra_idx.length ())
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	280 {
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	281 retval = ra_idx(--n);
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	282
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	283 while (--n >= 0)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	284 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	285 retval *= dimensions(n);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	286 retval += ra_idx(n);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	287 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	288 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	289 else
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	290 (*current_liboctave_error_handler)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	291 ("Array<T>::compute_index: invalid ra_idxing operation");
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	292
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	293 return retval;
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	294 }
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	295
2049 468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	296 template <class T>
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	297 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	298 Array<T>::range_error (const char *fcn, octave_idx_type n) const
2049 468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	299 {
2109 356f70c8fcbd [project @ 1996-04-30 12:31:30 by jwe] jwe parents: 2049 diff changeset	300 (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n);
2049 468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	301 return T ();
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	302 }
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	303
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	304 template <class T>
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	305 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	306 Array<T>::range_error (const char *fcn, octave_idx_type n)
2049 468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	307 {
2109 356f70c8fcbd [project @ 1996-04-30 12:31:30 by jwe] jwe parents: 2049 diff changeset	308 (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n);
2049 468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	309 static T foo;
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	310 return foo;
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	311 }
468a96dd03fc [project @ 1996-03-29 20:09:05 by jwe] jwe parents: 2006 diff changeset	312
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	313 template <class T>
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	314 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	315 Array<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j) const
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	316 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	317 (*current_liboctave_error_handler)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	318 ("%s (%d, %d): range error", fcn, i, j);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	319 return T ();
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	320 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	321
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	322 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	323 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	324 Array<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	325 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	326 (*current_liboctave_error_handler)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	327 ("%s (%d, %d): range error", fcn, i, j);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	328 static T foo;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	329 return foo;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	330 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	331
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	332 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	333 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	334 Array<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j, octave_idx_type k) const
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	335 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	336 (*current_liboctave_error_handler)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	337 ("%s (%d, %d, %d): range error", fcn, i, j, k);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	338 return T ();
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	339 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	340
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	341 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	342 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	343 Array<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j, octave_idx_type k)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	344 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	345 (*current_liboctave_error_handler)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	346 ("%s (%d, %d, %d): range error", fcn, i, j, k);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	347 static T foo;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	348 return foo;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	349 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	350
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	351 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	352 T
6867 83619ae96c1d [project @ 2007-09-06 12:08:44 by dbateman] dbateman parents: 6674 diff changeset	353 Array<T>::range_error (const char *fcn, const Array<octave_idx_type>& ra_idx) const
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	354 {
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5632 diff changeset	355 std::ostringstream buf;
4661 12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	356
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	357 buf << fcn << " (";
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	358
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	359 octave_idx_type n = ra_idx.length ();
4661 12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	360
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	361 if (n > 0)
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	362 buf << ra_idx(0);
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	363
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	364 for (octave_idx_type i = 1; i < n; i++)
4661 12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	365 buf << ", " << ra_idx(i);
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	366
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	367 buf << "): range error";
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	368
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5632 diff changeset	369 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5632 diff changeset	370
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5632 diff changeset	371 (*current_liboctave_error_handler) (buf_str.c_str ());
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	372
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	373 return T ();
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	374 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	375
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	376 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	377 T&
6867 83619ae96c1d [project @ 2007-09-06 12:08:44 by dbateman] dbateman parents: 6674 diff changeset	378 Array<T>::range_error (const char *fcn, const Array<octave_idx_type>& ra_idx)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	379 {
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5632 diff changeset	380 std::ostringstream buf;
4661 12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	381
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	382 buf << fcn << " (";
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	383
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	384 octave_idx_type n = ra_idx.length ();
4661 12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	385
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	386 if (n > 0)
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	387 buf << ra_idx(0);
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	388
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	389 for (octave_idx_type i = 1; i < n; i++)
4661 12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	390 buf << ", " << ra_idx(i);
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	391
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	392 buf << "): range error";
12b6fbd57436 [project @ 2003-11-25 05:41:35 by jwe] jwe parents: 4657 diff changeset	393
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5632 diff changeset	394 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5632 diff changeset	395
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5632 diff changeset	396 (*current_liboctave_error_handler) (buf_str.c_str ());
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	397
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	398 static T foo;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	399 return foo;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	400 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	401
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	402 template <class T>
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	403 Array<T>
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	404 Array<T>::reshape (const dim_vector& new_dims) const
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	405 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	406 Array<T> retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	407
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	408 if (dimensions != new_dims)
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	409 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	410 if (dimensions.numel () == new_dims.numel ())
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	411 retval = Array<T> (*this, new_dims);
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	412 else
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	413 (*current_liboctave_error_handler) ("reshape: size mismatch");
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	414 }
4916 c45f14873b5e [project @ 2004-07-26 14:35:12 by jwe] jwe parents: 4915 diff changeset	415 else
c45f14873b5e [project @ 2004-07-26 14:35:12 by jwe] jwe parents: 4915 diff changeset	416 retval = *this;
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	417
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	418 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	419 }
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	420
7241 da540e715d05 [project @ 2007-12-03 22:55:20 by jwe] jwe parents: 7189 diff changeset	421
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	422
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4553 diff changeset	423 template <class T>
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	424 Array<T>
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	425 Array<T>::permute (const Array<octave_idx_type>& perm_vec_arg, bool inv) const
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	426 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	427 Array<T> retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	428
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	429 Array<octave_idx_type> perm_vec = perm_vec_arg;
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	430
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	431 dim_vector dv = dims ();
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	432 dim_vector dv_new;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	433
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	434 int perm_vec_len = perm_vec.length ();
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	435
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	436 if (perm_vec_len < dv.length ())
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	437 (*current_liboctave_error_handler)
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	438 ("%s: invalid permutation vector", inv ? "ipermute" : "permute");
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	439
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	440 dv_new.resize (perm_vec_len);
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	441
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	442 // Append singleton dimensions as needed.
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	443 dv.resize (perm_vec_len, 1);
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	444
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	445 // Need this array to check for identical elements in permutation array.
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	446 Array<bool> checked (perm_vec_len, false);
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	447
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	448 // Find dimension vector of permuted array.
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	449 for (int i = 0; i < perm_vec_len; i++)
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	450 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	451 octave_idx_type perm_elt = perm_vec.elem (i);
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	452
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	453 if (perm_elt >= perm_vec_len \|\| perm_elt < 0)
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	454 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	455 (*current_liboctave_error_handler)
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	456 ("%s: permutation vector contains an invalid element",
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	457 inv ? "ipermute" : "permute");
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	458
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	459 return retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	460 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	461
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	462 if (checked.elem(perm_elt))
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	463 {
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	464 (*current_liboctave_error_handler)
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	465 ("%s: permutation vector cannot contain identical elements",
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	466 inv ? "ipermute" : "permute");
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	467
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	468 return retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	469 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	470 else
5148 9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	471 checked.elem(perm_elt) = true;
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	472
9eab94f5fadf [project @ 2005-02-18 19:04:34 by jwe] jwe parents: 5120 diff changeset	473 dv_new(i) = dv(perm_elt);
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	474 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	475
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	476 int nd = dv.length ();
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	477
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5765 diff changeset	478 // FIXME -- it would be nice to have a sort method in the
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	479 // Array class that also returns the sort indices.
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	480
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	481 if (inv)
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	482 {
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	483 OCTAVE_LOCAL_BUFFER (permute_vector, pvec, nd);
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	484
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	485 for (int i = 0; i < nd; i++)
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	486 {
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	487 pvec[i].pidx = perm_vec(i);
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	488 pvec[i].iidx = i;
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	489 }
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	490
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	491 octave_qsort (pvec, static_cast<size_t> (nd),
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	492 sizeof (permute_vector), permute_vector_compare);
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	493
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	494 for (int i = 0; i < nd; i++)
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	495 {
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	496 perm_vec(i) = pvec[i].iidx;
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	497 dv_new(i) = dv(perm_vec(i));
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	498 }
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	499 }
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	500
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	501 retval.resize (dv_new);
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	502
5940 0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	503 if (numel () > 0)
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	504 {
5940 0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	505 Array<octave_idx_type> cp (nd+1, 1);
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	506 for (octave_idx_type i = 1; i < nd+1; i++)
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	507 cp(i) = cp(i-1) * dv(i-1);
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	508
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	509 octave_idx_type incr = cp(perm_vec(0));
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	510
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	511 Array<octave_idx_type> base_delta (nd-1, 0);
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	512 Array<octave_idx_type> base_delta_max (nd-1);
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	513 Array<octave_idx_type> base_incr (nd-1);
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	514 for (octave_idx_type i = 0; i < nd-1; i++)
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	515 {
5940 0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	516 base_delta_max(i) = dv_new(i+1);
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	517 base_incr(i) = cp(perm_vec(i+1));
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	518 }
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	519
5940 0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	520 octave_idx_type nr_new = dv_new(0);
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	521 octave_idx_type nel_new = dv_new.numel ();
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	522 octave_idx_type n = nel_new / nr_new;
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	523
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	524 octave_idx_type k = 0;
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	525
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	526 for (octave_idx_type i = 0; i < n; i++)
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	527 {
5940 0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	528 octave_idx_type iidx = 0;
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	529 for (octave_idx_type kk = 0; kk < nd-1; kk++)
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	530 iidx += base_delta(kk) * base_incr(kk);
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	531
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	532 for (octave_idx_type j = 0; j < nr_new; j++)
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	533 {
5940 0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	534 OCTAVE_QUIT;
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	535
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	536 retval(k++) = elem(iidx);
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	537 iidx += incr;
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	538 }
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	539
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	540 base_delta(0)++;
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	541
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	542 for (octave_idx_type kk = 0; kk < nd-2; kk++)
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	543 {
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	544 if (base_delta(kk) == base_delta_max(kk))
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	545 {
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	546 base_delta(kk) = 0;
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	547 base_delta(kk+1)++;
0dd8428bb260 [project @ 2006-08-18 17:50:23 by jwe] jwe parents: 5837 diff changeset	548 }
5607 4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	549 }
4b33d802ef3c [project @ 2006-02-08 18:56:54 by jwe] jwe parents: 5535 diff changeset	550 }
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	551 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	552
5340 15843d76156d [project @ 2005-05-06 16:26:58 by jwe] jwe parents: 5338 diff changeset	553 retval.chop_trailing_singletons ();
5338 c4b55d47122e [project @ 2005-05-05 17:28:51 by jwe] jwe parents: 5307 diff changeset	554
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	555 return retval;
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	556 }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4592 diff changeset	557
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	558 // Helper class for multi-d index reduction and recursive indexing/indexed assignment.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	559 // Rationale: we could avoid recursion using a state machine instead. However, using
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	560 // recursion is much more amenable to possible parallelization in the future.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	561 // Also, the recursion solution is cleaner and more understandable.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	562 class rec_index_helper
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	563 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	564 octave_idx_type dim, cdim;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	565 idx_vector *idx;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	566 int top;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	567
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	568 public:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	569 rec_index_helper (const dim_vector& dv, const Array<idx_vector>& ia)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	570 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	571 int n = ia.length ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	572 assert (n > 0 && (dv.length () == std::max (n, 2)));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	573
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	574 dim = new octave_idx_type [2*n];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	575 // A hack to avoid double allocation
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	576 cdim = dim + n;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	577 idx = new idx_vector [n];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	578 top = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	579
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	580 dim[0] = dv(0);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	581 cdim[0] = 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	582 idx[0] = ia(0);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	583
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	584 for (int i = 1; i < n; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	585 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	586 // Try reduction...
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	587 if (idx[top].maybe_reduce (dim[top], ia(i), dv(i)))
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	588 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	589 // Reduction successful, fold dimensions.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	590 dim[top] *= dv(i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	591 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	592 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	593 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	594 // Unsuccessful, store index & cumulative dim.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	595 top++;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	596 idx[top] = ia(i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	597 dim[top] = dv(i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	598 cdim[top] = cdim[top-1] * dim[top-1];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	599 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	600 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	601 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	602
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	603 ~rec_index_helper (void) { delete [] idx; delete [] dim; }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	604
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	605 private:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	606
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	607 // Recursive N-d indexing
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	608 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	609 T do_index (const T src, T *dest, int lev) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	610 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	611 if (lev == 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	612 dest += idx[0].index (src, dim[0], dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	613 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	614 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	615 octave_idx_type n = idx[lev].length (dim[lev]), d = cdim[lev];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	616 for (octave_idx_type i = 0; i < n; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	617 dest = do_index (src + d*idx[lev].xelem (i), dest, lev-1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	618 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	619
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	620 return dest;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	621 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	622
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	623 // Recursive N-d indexed assignment
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	624 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	625 const T do_assign (const T src, T *dest, int lev) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	626 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	627 if (lev == 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	628 src += idx[0].assign (src, dim[0], dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	629 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	630 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	631 octave_idx_type n = idx[lev].length (dim[lev]), d = cdim[lev];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	632 for (octave_idx_type i = 0; i < n; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	633 src = do_assign (src, dest + d*idx[lev].xelem (i), lev-1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	634 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	635
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	636 return src;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	637 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	638
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	639 // Recursive N-d indexed assignment
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	640 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	641 void do_fill (const T& val, T *dest, int lev) const
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	642 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	643 if (lev == 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	644 idx[0].fill (val, dim[0], dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	645 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	646 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	647 octave_idx_type n = idx[lev].length (dim[lev]), d = cdim[lev];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	648 for (octave_idx_type i = 0; i < n; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	649 do_fill (val, dest + d*idx[lev].xelem (i), lev-1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	650 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	651 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	652
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	653 public:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	654
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	655 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	656 void index (const T src, T dest) const { do_index (src, dest, top); }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	657
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	658 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	659 void assign (const T src, T dest) const { do_assign (src, dest, top); }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	660
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	661 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	662 void fill (const T& val, T *dest) const { do_fill (val, dest, top); }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	663
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	664 };
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	665
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	666 // Helper class for multi-d recursive resizing
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	667 // This handles resize () in an efficient manner, touching memory only
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	668 // once (apart from reinitialization)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	669 class rec_resize_helper
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	670 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	671 octave_idx_type cext, sext, *dext;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	672 int n;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	673
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	674 public:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	675 rec_resize_helper (const dim_vector& ndv, const dim_vector& odv)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	676 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	677 int l = ndv.length ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	678 assert (odv.length () == l);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	679 octave_idx_type ld = 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	680 int i = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	681 for (; i < l-1 && ndv(i) == odv(i); i++) ld *= ndv(i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	682 n = l - i;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	683 cext = new octave_idx_type[3*n];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	684 // Trick to avoid three allocations
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	685 sext = cext + n;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	686 dext = sext + n;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	687
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	688 octave_idx_type sld = ld, dld = ld;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	689 for (int j = 0; j < n; j++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	690 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	691 cext[j] = std::min (ndv(i+j), odv(i+j));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	692 sext[j] = sld *= odv(i+j);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	693 dext[j] = dld *= ndv(i+j);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	694 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	695 cext[0] *= ld;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	696 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	697
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	698 ~rec_resize_helper (void) { delete [] cext; }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	699
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	700 private:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	701 // recursive resizing
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	702 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	703 void do_resize_fill (const T* src, T *dest, const T& rfv, int lev) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	704 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	705 if (lev == 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	706 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	707 T* destc = std::copy (src, src + cext[0], dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	708 std::fill (destc, dest + dext[0], rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	709 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	710 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	711 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	712 octave_idx_type sd = sext[lev-1], dd = dext[lev-1], k;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	713 for (k = 0; k < cext[lev]; k++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	714 do_resize_fill (src + k * sd, dest + k * dd, rfv, lev - 1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	715
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	716 std::fill (dest + k * dd, dest + dext[lev], rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	717 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	718 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	719 public:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	720 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	721 void resize_fill (const T* src, T *dest, const T& rfv) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	722 { do_resize_fill (src, dest, rfv, n-1); }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	723
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	724 };
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	725
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	726 static void gripe_index_out_of_range (void)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	727 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	728 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	729 ("A(I): Index exceeds matrix dimension.");
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	730 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	731
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	732 template <class T>
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	733 Array<T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	734 Array<T>::index (const idx_vector& i) const
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	735 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	736 octave_idx_type n = numel ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	737 Array<T> retval;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	738
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	739 if (i.is_colon ())
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	740 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	741 // A(:) produces a shallow copy as a column vector.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	742 retval.dimensions = dim_vector (n, 1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	743 rep->count++;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	744 retval.rep = rep;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	745 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	746 else if (i.extent (n) != n)
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4545 diff changeset	747 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	748 gripe_index_out_of_range ();
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4545 diff changeset	749 }
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4545 diff changeset	750 else
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	751 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	752 // FIXME: This is the only place where orig_dimensions are used.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	753 dim_vector rd = i.orig_dimensions ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	754 octave_idx_type il = i.length (n);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	755
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	756 // FIXME: This is for Matlab compatibility. Matlab 2007 given `b = ones(3,1)'
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	757 // yields the following:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	758 // b(zeros(0,0)) gives []
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	759 // b(zeros(1,0)) gives zeros(0,1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	760 // b(zeros(0,1)) gives zeros(0,1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	761 // b(zeros(0,m)) gives zeros(0,m)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	762 // b(zeros(m,0)) gives zeros(m,0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	763 // b(1:2) gives ones(2,1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	764 // b(ones(2)) gives ones(2) etc.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	765 // As you can see, the behaviour is weird, but the tests end up pretty
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	766 // simple. Nah, I don't want to suggest that this is ad hoc :) Neither do
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	767 // I want to say that Matlab is a lousy piece of s...oftware.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	768 if (ndims () == 2 && n != 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	769 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	770 if (columns () == 1 && rd(0) == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	771 rd = dim_vector (il, 1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	772 else if (rows () == 1 && rd(1) == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	773 rd = dim_vector (1, il);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	774 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	775
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	776 // Don't use resize here to avoid useless initialization for POD types.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	777 retval = Array<T> (rd);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	778
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	779 if (il != 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	780 i.index (data (), n, retval.fortran_vec ());
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	781 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	782
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	783 return retval;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	784 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	785
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	786 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	787 Array<T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	788 Array<T>::index (const idx_vector& i, const idx_vector& j) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	789 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	790 // Get dimensions, allowing Fortran indexing in the 2nd dim.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	791 dim_vector dv = dimensions.redim (2);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	792 octave_idx_type r = dv(0), c = dv(1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	793 Array<T> retval;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	794
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	795 if (i.is_colon () && j.is_colon ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	796 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	797 // A(:,:) produces a shallow copy.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	798 retval = Array<T> (*this, dv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	799 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	800 else if (i.extent (r) != r \|\| j.extent (c) != c)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	801 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	802 gripe_index_out_of_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	803 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	804 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	805 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	806 octave_idx_type n = numel (), il = i.length (r), jl = j.length (c);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	807
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	808 // Don't use resize here to avoid useless initialization for POD types.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	809 retval = Array<T> (dim_vector (il, jl));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	810
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	811 idx_vector ii (i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	812
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	813 const T* src = data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	814 T *dest = retval.fortran_vec ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	815
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	816 if (ii.maybe_reduce (r, j, c))
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	817 ii.index (src, n, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	818 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	819 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	820 for (octave_idx_type k = 0; k < jl; k++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	821 dest += i.index (src + r * j.xelem (k), r, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	822 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	823 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	824
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	825 return retval;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	826 }
4747 3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	827
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	828 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	829 Array<T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	830 Array<T>::index (const Array<idx_vector>& ia) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	831 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	832 int ial = ia.length ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	833 Array<T> retval;
4587 7b957b442818 [project @ 2003-11-10 15:50:39 by jwe] jwe parents: 4586 diff changeset	834
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	835 // FIXME: is this dispatching necessary?
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	836 if (ial == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	837 retval = index (ia(0));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	838 else if (ial == 2)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	839 retval = index (ia(0), ia(1));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	840 else if (ial > 0)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	841 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	842 // Get dimensions, allowing Fortran indexing in the last dim.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	843 dim_vector dv = dimensions.redim (ial);
4747 3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	844
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	845 // Check for out of bounds conditions.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	846 bool all_colons = true, mismatch = false;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	847 for (int i = 0; i < ial; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	848 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	849 if (ia(i).extent (dv(i)) != dv(i))
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	850 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	851 mismatch = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	852 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	853 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	854 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	855 all_colons = all_colons && ia(i).is_colon ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	856 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	857
4870 2cbc6f37b0c2 [project @ 2004-04-21 17:30:51 by jwe] jwe parents: 4834 diff changeset	858
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	859 if (mismatch)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	860 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	861 gripe_index_out_of_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	862 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	863 else if (all_colons)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	864 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	865 // A(:,:,...,:) produces a shallow copy.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	866 retval = Array<T> (*this, dv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	867 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	868 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	869 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	870 // Form result dimensions.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	871 dim_vector rdv;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	872 rdv.resize (ial);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	873 for (int i = 0; i < ial; i++) rdv(i) = ia(i).length (dv(i));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	874 rdv.chop_trailing_singletons ();
4870 2cbc6f37b0c2 [project @ 2004-04-21 17:30:51 by jwe] jwe parents: 4834 diff changeset	875
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	876 // Don't use resize here to avoid useless initialization for POD types.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	877 retval = Array<T> (rdv);
4747 3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	878
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	879 // Prepare for recursive indexing
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	880 rec_index_helper rh (dv, ia);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	881
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	882 // Do it.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	883 rh.index (data (), retval.fortran_vec ());
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	884 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	885 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	886
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	887 return retval;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	888 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	889
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	890 // FIXME: the following is a common error message to resize, regardless of whether it's
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	891 // called from assign or elsewhere. It seems OK to me, but eventually the gripe can be
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	892 // specialized. Anyway, propagating various error messages into procedure is, IMHO, a
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	893 // nonsense. If anything, we should change error handling here (and throughout liboctave)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	894 // to allow custom handling of errors
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	895 static void gripe_invalid_resize (void)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	896 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	897 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	898 ("resize: Invalid resizing operation or ambiguous assignment to an out-of-bounds array element.");
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	899 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	900
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	901 // The default fill value. Override if you want a different one.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	902
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	903 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	904 T Array<T>::resize_fill_value ()
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	905 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	906 return T ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	907 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	908
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	909 // Yes, we could do resize using index & assign. However, that would possibly
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	910 // involve a lot more memory traffic than we actually need.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	911
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	912 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	913 void
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	914 Array<T>::resize_fill (octave_idx_type n, const T& rfv)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	915 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	916 if (n >= 0 && ndims () == 2)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	917 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	918 dim_vector dv;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	919 // This is driven by Matlab's behaviour of giving a row vector on
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	920 // some out-of-bounds assignments. Specifically, matlab allows a(i) with
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	921 // out-of-bouds i when a is either of 0x0, 1x0, 1x1, 0xN, and gives
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	922 // a row vector in all cases (yes, even the last one, search me why).
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	923 // Giving a column vector would make much more sense (given the way
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	924 // trailing singleton dims are treated), but hey, Matlab is not here to
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	925 // make sense, it's here to make money ;)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	926 bool invalid = false;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	927 if (rows () == 0 \|\| rows () == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	928 dv = dim_vector (1, n);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	929 else if (columns () == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	930 dv = dim_vector (n, 1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	931 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	932 invalid = true;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	933
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	934 if (invalid)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	935 gripe_invalid_resize ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	936 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	937 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	938 octave_idx_type nx = numel ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	939 if (n != nx)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	940 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	941 Array<T> tmp = Array<T> (dv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	942 T *dest = tmp.fortran_vec ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	943
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	944 octave_idx_type n0 = std::min (n, nx), n1 = n - n0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	945 dest = std::copy (data (), data () + n0, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	946 std::fill (dest, dest + n1, rfv);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	947
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	948 *this = tmp;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	949 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	950 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	951 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	952 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	953 gripe_invalid_resize ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	954 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	955
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	956 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	957 void
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	958 Array<T>::resize_fill (octave_idx_type r, octave_idx_type c, const T& rfv)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	959 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	960 if (r >= 0 && c >= 0 && ndims () == 2)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	961 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	962 octave_idx_type rx = rows (), cx = columns ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	963 if (r != rx \|\| c != cx)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	964 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	965 Array<T> tmp = Array<T> (dim_vector (r, c));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	966 T *dest = tmp.fortran_vec ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	967
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	968 octave_idx_type r0 = std::min (r, rx), r1 = r - r0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	969 octave_idx_type c0 = std::min (c, cx), c1 = c - c0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	970 const T *src = data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	971 if (r == rx)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	972 dest = std::copy (src, src + r * c0, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	973 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	974 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	975 for (octave_idx_type k = 0; k < c0; k++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	976 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	977 dest = std::copy (src, src + r0, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	978 src += rx;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	979 std::fill (dest, dest + r1, rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	980 dest += r1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	981 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	982 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	983
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	984 std::fill (dest, dest + r * c1, rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	985
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	986 *this = tmp;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	987 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	988 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	989 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	990 gripe_invalid_resize ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	991
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	992 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	993
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	994 template<class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	995 void
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	996 Array<T>::resize_fill (const dim_vector& dv, const T& rfv)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	997 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	998 int dvl = dv.length ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	999 if (dvl == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1000 resize (dv(0), rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1001 else if (dvl == 2)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1002 resize (dv(0), dv(1), rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1003 else if (dimensions != dv)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1004 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1005 if (dimensions.length () <= dvl)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1006 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1007 Array<T> tmp (dv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1008 // Prepare for recursive resizing.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1009 rec_resize_helper rh (dv, dimensions.redim (dvl));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1010
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1011 // Do it.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1012 rh.resize_fill (data (), tmp.fortran_vec (), rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1013 *this = tmp;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1014 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1015 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1016 gripe_invalid_resize ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1017 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1018 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1019
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1020 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1021 Array<T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1022 Array<T>::index (const idx_vector& i, bool resize_ok, const T& rfv) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1023 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1024 Array<T> tmp = *this;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1025 if (resize_ok)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1026 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1027 octave_idx_type n = numel (), nx = i.extent (n);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1028 if (n != nx)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1029 tmp.resize_fill (nx, rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1030
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1031 if (tmp.numel () != nx)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1032 return Array<T> ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1033 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1034
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1035 return tmp.index (i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1036 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1037
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1038 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1039 Array<T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1040 Array<T>::index (const idx_vector& i, const idx_vector& j,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1041 bool resize_ok, const T& rfv) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1042 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1043 Array<T> tmp = *this;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1044 if (resize_ok)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1045 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1046 dim_vector dv = dimensions.redim (2);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1047 octave_idx_type r = dv(0), c = dv(1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1048 octave_idx_type rx = i.extent (r), cx = j.extent (c);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1049 if (r != rx \|\| c != cx)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1050 tmp.resize_fill (rx, cx, rfv);
4747 3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	1051
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1052 if (tmp.rows () != rx \|\| tmp.columns () != cx)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1053 return Array<T> ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1054 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1055
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1056 return tmp.index (i, j);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1057 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1058
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1059 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1060 Array<T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1061 Array<T>::index (const Array<idx_vector>& ia,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1062 bool resize_ok, const T& rfv) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1063 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1064 Array<T> tmp = *this;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1065 if (resize_ok)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1066 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1067 int ial = ia.length ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1068 dim_vector dv = dimensions.redim (ial);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1069 dim_vector dvx; dvx.resize (ial);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1070 for (int i = 0; i < ial; i++) dvx(i) = ia(i).extent (dv (i));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1071 if (! (dvx == dv))
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1072 tmp.resize_fill (dvx, rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1073
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1074 if (tmp.dimensions != dvx)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1075 return Array<T> ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1076 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1077
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1078 return tmp.index (ia);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1079 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1080
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1081
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1082 static void
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1083 gripe_invalid_assignment_size (void)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1084 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1085 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1086 ("A(I) = X: X must have the same size as I");
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1087 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1088
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1089 static void
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1090 gripe_assignment_dimension_mismatch (void)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1091 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1092 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1093 ("A(I,J,...) = X: dimensions mismatch");
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1094 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1095
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1096 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1097 void
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1098 Array<T>::assign (const idx_vector& i, const Array<T>& rhs, const T& rfv)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1099 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1100 octave_idx_type n = numel (), rhl = rhs.numel ();
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4545 diff changeset	1101
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1102 if (rhl == 1 \|\| i.length (n) == rhl)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1103 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1104 octave_idx_type nx = i.extent (n);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1105 // Try to resize first if necessary.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1106 if (nx != n)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1107 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1108 resize_fill (nx, rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1109 n = numel ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1110 }
4747 3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	1111
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1112 // If the resizing was ambiguous, resize has already griped.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1113 if (nx == n)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1114 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1115 if (i.is_colon ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1116 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1117 // A(:) = X makes a full fill or a shallow copy.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1118 if (rhl == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1119 fill (rhs(0));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1120 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1121 *this = rhs.reshape (dimensions);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1122 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1123 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1124 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1125 if (rhl == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1126 i.fill (rhs(0), n, fortran_vec ());
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1127 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1128 i.assign (rhs.data (), n, fortran_vec ());
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1129 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1130 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1131 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1132 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1133 gripe_invalid_assignment_size ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1134 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1135
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1136 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1137 void
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1138 Array<T>::assign (const idx_vector& i, const idx_vector& j,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1139 const Array<T>& rhs, const T& rfv)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1140 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1141 // Get RHS extents, discarding singletons.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1142 dim_vector rhdv = rhs.dims ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1143 // Get LHS extents, allowing Fortran indexing in the second dim.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1144 dim_vector dv = dimensions.redim (2);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1145 // Check for out-of-bounds and form resizing dimensions.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1146 dim_vector rdv;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1147 // In the special when all dimensions are zero, colons are allowed to inquire
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1148 // the shape of RHS. The rules are more obscure, so we solve that elsewhere.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1149 if (dv.all_zero ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1150 rdv = zero_dims_inquire (i, j, rhdv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1151 else
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1152 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1153 rdv(0) = i.extent (dv(0));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1154 rdv(1) = j.extent (dv(1));
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1155 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1156
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1157 bool isfill = rhs.numel () == 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1158 octave_idx_type il = i.length (rdv(0)), jl = j.length (rdv(1));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1159 rhdv.chop_all_singletons ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1160 bool match = isfill \|\| (rhdv.length () == 2 && il == rhdv(0) && jl == rhdv(1));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1161 match = match \|\| (il == 1 && jl == rhdv(0) && rhdv(1) == 1);
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4545 diff changeset	1162
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1163 if (match)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1164 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1165 // Resize if requested.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1166 if (rdv != dv)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1167 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1168 resize (rdv, rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1169 dv = dimensions;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1170 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1171
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1172 // If the resizing was invalid, resize has already griped.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1173 if (dv == rdv)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1174 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1175 if (i.is_colon () && j.is_colon ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1176 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1177 // A(:,:) = X makes a full fill or a shallow copy
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1178 if (isfill)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1179 fill (rhs(0));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1180 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1181 *this = rhs.reshape (dimensions);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1182 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1183 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1184 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1185 // The actual work.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1186 octave_idx_type n = numel (), r = rows (), c = columns ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1187 idx_vector ii (i);
4747 3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	1188
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1189 const T* src = rhs.data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1190 T *dest = fortran_vec ();
4747 3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	1191
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1192 // Try reduction first.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1193 if (ii.maybe_reduce (r, j, c))
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1194 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1195 if (isfill)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1196 ii.fill (*src, n, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1197 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1198 ii.assign (src, n, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1199 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1200 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1201 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1202 if (isfill)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1203 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1204 for (octave_idx_type k = 0; k < jl; k++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1205 i.fill (src, r, dest + r j.xelem (k));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1206 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1207 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1208 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1209 for (octave_idx_type k = 0; k < jl; k++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1210 src += i.assign (src, r, dest + r * j.xelem (k));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1211 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1212 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1213 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1214
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1215 }
4747 3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	1216
3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	1217 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1218 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1219 gripe_assignment_dimension_mismatch ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1220 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1221
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1222 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1223 void
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1224 Array<T>::assign (const Array<idx_vector>& ia,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1225 const Array<T>& rhs, const T& rfv)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1226 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1227 int ial = ia.length ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1228
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1229 // FIXME: is this dispatching necessary / desirable?
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1230 if (ial == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1231 assign (ia(0), rhs, rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1232 else if (ial == 2)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1233 assign (ia(0), ia(1), rhs, rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1234 else if (ial > 0)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1235 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1236 // Get RHS extents, discarding singletons.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1237 dim_vector rhdv = rhs.dims ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1238
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1239 // Get LHS extents, allowing Fortran indexing in the second dim.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1240 dim_vector dv = dimensions.redim (ial);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1241
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1242 // Get the extents forced by indexing.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1243 dim_vector rdv;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1244
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1245 // In the special when all dimensions are zero, colons are allowed to
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1246 // inquire the shape of RHS. The rules are more obscure, so we solve that
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1247 // elsewhere.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1248 if (dv.all_zero ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1249 rdv = zero_dims_inquire (ia, rhdv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1250 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1251 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1252 rdv.resize (ial);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1253 for (int i = 0; i < ial; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1254 rdv(i) = ia(i).extent (dv(i));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1255 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1256
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1257 // Check whether LHS and RHS match, up to singleton dims.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1258 bool match = true, all_colons = true, isfill = rhs.numel () == 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1259
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1260 rhdv.chop_all_singletons ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1261 int j = 0, rhdvl = rhdv.length ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1262 for (int i = 0; i < ial; i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1263 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1264 all_colons = all_colons && ia(i).is_colon ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1265 octave_idx_type l = ia(i).length (rdv(i));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1266 if (l == 1) continue;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1267 match = match && j < rhdvl && l == rhdv(j++);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1268 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1269
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1270 match = match && (j == rhdvl \|\| rhdv(j) == 1);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1271 match = match \|\| isfill;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1272
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1273 if (match)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1274 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1275 // Resize first if necessary.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1276 if (rdv != dv)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1277 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1278 resize_fill (rdv, rfv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1279 dv = dimensions;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1280 chop_trailing_singletons ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1281 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1282
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1283 // If the resizing was invalid, resize has already griped.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1284 if (dv == rdv)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1285 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1286 if (all_colons)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1287 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1288 // A(:,:,...,:) = X makes a full fill or a shallow copy.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1289 if (isfill)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1290 fill (rhs(0));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1291 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1292 *this = rhs.reshape (dimensions);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1293 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1294 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1295 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1296 // Do the actual work.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1297
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1298 // Prepare for recursive indexing
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1299 rec_index_helper rh (dv, ia);
4553 c7eb767505e9 [project @ 2003-10-27 21:39:55 by jwe] jwe parents: 4548 diff changeset	1300
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1301 // Do it.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1302 if (isfill)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1303 rh.fill (rhs(0), fortran_vec ());
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1304 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1305 rh.assign (rhs.data (), fortran_vec ());
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1306 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1307 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1308 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1309 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1310 gripe_assignment_dimension_mismatch ();
4553 c7eb767505e9 [project @ 2003-10-27 21:39:55 by jwe] jwe parents: 4548 diff changeset	1311 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1312 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1313
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1314 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1315 void
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1316 Array<T>::delete_elements (const idx_vector& i)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1317 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1318 octave_idx_type n = numel ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1319 if (i.is_colon ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1320 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1321 *this = Array<T> ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1322 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1323 else if (i.extent (n) != n)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1324 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1325 gripe_index_out_of_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1326 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1327 else if (i.length (n) != 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1328 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1329 octave_idx_type l, u;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1330
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1331 bool col_vec = ndims () == 2 && columns () == 1 && rows () != 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1332 if (i.is_cont_range (n, l, u))
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1333 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1334 // Special case deleting a contiguous range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1335 octave_idx_type m = n + l - u;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1336 Array<T> tmp (dim_vector (col_vec ? m : 1, !col_vec ? m : 1));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1337 const T *src = data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1338 T *dest = tmp.fortran_vec ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1339 dest = std::copy (src, src + l, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1340 dest = std::copy (src + u, src + n, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1341 *this = tmp;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1342 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1343 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1344 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1345 // Use index.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1346 *this = index (i.complement (n));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1347 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1348 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1349 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1350
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1351 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1352 void
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1353 Array<T>::delete_elements (int dim, const idx_vector& i)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1354 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1355 if (dim > ndims ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1356 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1357 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1358 ("invalid dimension in delete_elements");
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1359 return;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1360 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1361
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1362 octave_idx_type n = dimensions (dim);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1363 if (i.is_colon ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1364 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1365 *this = Array<T> ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1366 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1367 else if (i.extent (n) != n)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1368 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1369 gripe_index_out_of_range ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1370 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1371 else if (i.length (n) != 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1372 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1373 octave_idx_type l, u;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1374
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1375 if (i.is_cont_range (n, l, u))
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1376 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1377 // Special case deleting a contiguous range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1378 octave_idx_type nd = n + l - u, dl = 1, du = 1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1379 dim_vector rdv = dimensions;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1380 rdv(dim) = nd;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1381 for (int k = 0; k < dim; k++) dl *= dimensions(k);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1382 for (int k = dim + 1; k < ndims (); k++) du *= dimensions(k);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1383
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1384 // Special case deleting a contiguous range.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1385 Array<T> tmp = Array<T> (rdv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1386 const T *src = data ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1387 T *dest = tmp.fortran_vec ();
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1388 l = dl; u = dl; n *= dl;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1389 for (octave_idx_type k = 0; k < du; k++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1390 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1391 dest = std::copy (src, src + l, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1392 dest = std::copy (src + u, src + n, dest);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1393 src += n;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1394 }
4870 2cbc6f37b0c2 [project @ 2004-04-21 17:30:51 by jwe] jwe parents: 4834 diff changeset	1395
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1396 *this = tmp;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1397 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1398 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1399 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1400 // Use index.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1401 Array<idx_vector> ia (ndims (), idx_vector::colon);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1402 ia (dim) = i.complement (n);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1403 *this = index (ia);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1404 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1405 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1406 }
4747 3f28979bbe2c [project @ 2004-02-06 23:56:46 by jwe] jwe parents: 4746 diff changeset	1407
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1408 template <class T>
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1409 void
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1410 Array<T>::delete_elements (const Array<idx_vector>& ia)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1411 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1412 if (ia.length () == 1)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1413 delete_elements (ia(0));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1414 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1415 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1416 int len = ia.length (), k, dim = -1;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1417 for (k = 0; k < len; k++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1418 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1419 if (! ia(k).is_colon ())
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1420 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1421 if (dim < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1422 dim = k;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1423 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1424 break;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1425 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1426 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1427 if (dim < 0)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1428 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1429 dim_vector dv = dimensions;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1430 dv(0) = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1431 *this = Array<T> (dv);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1432 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1433 else if (k == len)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1434 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1435 delete_elements (dim, ia(dim));
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1436 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1437 else
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1438 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1439 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1440 ("A null assignment can only have one non-colon index.");
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1441 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1442 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1443
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1444 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1445
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1446 // FIXME: Remove these methods or implement them using assign.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1447
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1448 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1449 Array<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1450 Array<T>::insert (const Array<T>& a, octave_idx_type r, octave_idx_type c)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1451 {
4786 fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1452 if (ndims () == 2 && a.ndims () == 2)
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1453 insert2 (a, r, c);
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1454 else
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1455 insertN (a, r, c);
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1456
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1457 return *this;
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1458 }
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1459
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1460
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1461 template <class T>
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1462 Array<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1463 Array<T>::insert2 (const Array<T>& a, octave_idx_type r, octave_idx_type c)
4786 fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1464 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1465 octave_idx_type a_rows = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1466 octave_idx_type a_cols = a.cols ();
4786 fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1467
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1468 if (r < 0 \|\| r + a_rows > rows () \|\| c < 0 \|\| c + a_cols > cols ())
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1469 {
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1470 (*current_liboctave_error_handler) ("range error for insert");
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1471 return *this;
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1472 }
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1473
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1474 for (octave_idx_type j = 0; j < a_cols; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1475 for (octave_idx_type i = 0; i < a_rows; i++)
4786 fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1476 elem (r+i, c+j) = a.elem (i, j);
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1477
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1478 return *this;
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1479 }
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1480
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1481 template <class T>
fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1482 Array<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1483 Array<T>::insertN (const Array<T>& a, octave_idx_type r, octave_idx_type c)
4786 fc316bde0053 [project @ 2004-02-18 12:52:20 by jwe] jwe parents: 4765 diff changeset	1484 {
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1485 dim_vector dv = dims ();
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1486
4765 e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1487 dim_vector a_dv = a.dims ();
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1488
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1489 int n = a_dv.length ();
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1490
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1491 if (n == dimensions.length ())
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1492 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1493 Array<octave_idx_type> a_ra_idx (a_dv.length (), 0);
4765 e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1494
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1495 a_ra_idx.elem (0) = r;
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1496 a_ra_idx.elem (1) = c;
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1497
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1498 for (int i = 0; i < n; i++)
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1499 {
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1500 if (a_ra_idx(i) < 0 \|\| (a_ra_idx(i) + a_dv(i)) > dv(i))
4765 e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1501 {
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1502 (*current_liboctave_error_handler)
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1503 ("Array<T>::insert: range error for insert");
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1504 return *this;
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1505 }
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1506 }
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1507
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1508 octave_idx_type n_elt = a.numel ();
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1509
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1510 const T *a_data = a.data ();
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1511
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1512 octave_idx_type iidx = 0;
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1513
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1514 octave_idx_type a_rows = a_dv(0);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1515
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1516 octave_idx_type this_rows = dv(0);
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1517
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1518 octave_idx_type numel_page = a_dv(0) * a_dv(1);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1519
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1520 octave_idx_type count_pages = 0;
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1521
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1522 for (octave_idx_type i = 0; i < n_elt; i++)
4765 e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1523 {
4806 d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1524 if (i != 0 && i % a_rows == 0)
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1525 iidx += (this_rows - a_rows);
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1526
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1527 if (i % numel_page == 0)
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1528 iidx = c * dv(0) + r + dv(0) * dv(1) * count_pages++;
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1529
d3bd9c04147f [project @ 2004-03-02 05:12:32 by jwe] jwe parents: 4796 diff changeset	1530 elem (iidx++) = a_data[i];
4765 e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1531 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1532 }
4765 e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1533 else
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1534 (*current_liboctave_error_handler)
e941e1470d7b [project @ 2004-02-16 05:56:50 by jwe] jwe parents: 4762 diff changeset	1535 ("Array<T>::insert: invalid indexing operation");
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1536
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1537 return *this;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1538 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1539
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1540 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1541 Array<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1542 Array<T>::insert (const Array<T>& a, const Array<octave_idx_type>& ra_idx)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1543 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1544 octave_idx_type n = ra_idx.length ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1545
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1546 if (n == dimensions.length ())
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1547 {
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1548 dim_vector dva = a.dims ();
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1549 dim_vector dv = dims ();
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1550 int len_a = dva.length ();
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1551 int non_full_dim = 0;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1552
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1553 for (octave_idx_type i = 0; i < n; i++)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1554 {
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1555 if (ra_idx(i) < 0 \|\| (ra_idx(i) +
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1556 (i < len_a ? dva(i) : 1)) > dimensions(i))
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1557 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1558 (*current_liboctave_error_handler)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1559 ("Array<T>::insert: range error for insert");
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1560 return *this;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1561 }
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1562
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1563 if (dv(i) != (i < len_a ? dva(i) : 1))
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1564 non_full_dim++;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1565 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1566
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1567 if (dva.numel ())
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1568 {
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1569 if (non_full_dim < 2)
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1570 {
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1571 // Special case for fast concatenation
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1572 const T *a_data = a.data ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1573 octave_idx_type numel_to_move = 1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1574 octave_idx_type skip = 0;
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1575 for (int i = 0; i < len_a; i++)
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1576 if (ra_idx(i) == 0 && dva(i) == dv(i))
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1577 numel_to_move *= dva(i);
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1578 else
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1579 {
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1580 skip = numel_to_move * (dv(i) - dva(i));
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1581 numel_to_move *= dva(i);
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1582 break;
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1583 }
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1584
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1585 octave_idx_type jidx = ra_idx(n-1);
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1586 for (int i = n-2; i >= 0; i--)
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1587 {
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1588 jidx *= dv(i);
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1589 jidx += ra_idx(i);
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1590 }
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1591
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1592 octave_idx_type iidx = 0;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1593 octave_idx_type moves = dva.numel () / numel_to_move;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1594 for (octave_idx_type i = 0; i < moves; i++)
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1595 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1596 for (octave_idx_type j = 0; j < numel_to_move; j++)
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1597 elem (jidx++) = a_data[iidx++];
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1598 jidx += skip;
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1599 }
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1600 }
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1601 else
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1602 {
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1603 // Generic code
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1604 const T *a_data = a.data ();
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1605 int nel = a.numel ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1606 Array<octave_idx_type> a_idx (n, 0);
5120 eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1607
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1608 for (int i = 0; i < nel; i++)
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1609 {
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1610 int iidx = a_idx(n-1) + ra_idx(n-1);
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1611 for (int j = n-2; j >= 0; j--)
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1612 {
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1613 iidx *= dv(j);
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1614 iidx += a_idx(j) + ra_idx(j);
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1615 }
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1616
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1617 elem (iidx) = a_data[i];
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1618
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1619 increment_index (a_idx, dva);
eb900c53cdb7 [project @ 2005-01-26 22:08:37 by jwe] jwe parents: 5108 diff changeset	1620 }
4915 c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1621 }
c638c144d4da [project @ 2004-07-23 19:01:22 by jwe] jwe parents: 4898 diff changeset	1622 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1623 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1624 else
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1625 (*current_liboctave_error_handler)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1626 ("Array<T>::insert: invalid indexing operation");
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1627
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1628 return *this;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1629 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1630
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	1631
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1632 template <class T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1633 Array<T>
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1634 Array<T>::transpose (void) const
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1635 {
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4545 diff changeset	1636 assert (ndims () == 2);
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4545 diff changeset	1637
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1638 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1639 octave_idx_type nc = dim2 ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1640
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1641 if (nr >= 8 && nc >= 8)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1642 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1643 Array<T> result (dim_vector (nc, nr));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1644
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1645 // Blocked transpose to attempt to avoid cache misses.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1646
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1647 // Don't use OCTAVE_LOCAL_BUFFER here as it doesn't work with bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1648 // on some compilers.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1649 T buf[64];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1650
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1651 octave_idx_type ii = 0, jj;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1652 for (jj = 0; jj < (nc - 8 + 1); jj += 8)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1653 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1654 for (ii = 0; ii < (nr - 8 + 1); ii += 8)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1655 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1656 // Copy to buffer
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1657 for (octave_idx_type j = jj, k = 0, idxj = jj * nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1658 j < jj + 8; j++, idxj += nr)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1659 for (octave_idx_type i = ii; i < ii + 8; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1660 buf[k++] = xelem (i + idxj);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1661
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1662 // Copy from buffer
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1663 for (octave_idx_type i = ii, idxi = ii * nc; i < ii + 8;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1664 i++, idxi += nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1665 for (octave_idx_type j = jj, k = i - ii; j < jj + 8;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1666 j++, k+=8)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1667 result.xelem (j + idxi) = buf[k];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1668 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1669
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1670 if (ii < nr)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1671 for (octave_idx_type j = jj; j < jj + 8; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1672 for (octave_idx_type i = ii; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1673 result.xelem (j, i) = xelem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1674 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1675
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1676 for (octave_idx_type j = jj; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1677 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1678 result.xelem (j, i) = xelem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1679
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1680 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1681 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1682 else if (nr > 1 && nc > 1)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1683 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1684 Array<T> result (dim_vector (nc, nr));
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1685
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1686 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5265 diff changeset	1687 for (octave_idx_type i = 0; i < nr; i++)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1688 result.xelem (j, i) = xelem (i, j);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1689
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1690 return result;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1691 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1692 else
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1693 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1694 // Fast transpose for vectors and empty matrices
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1695 return Array<T> (*this, dim_vector (nc, nr));
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1696 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1697 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1698
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1699 template <class T>
8028 f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1700 static T
f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1701 no_op_fcn (const T& x)
f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1702 {
f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1703 return x;
f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1704 }
f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1705
f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1706 template <class T>
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1707 Array<T>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1708 Array<T>::hermitian (T (*fcn) (const T&)) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1709 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1710 assert (ndims () == 2);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1711
8028 f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1712 if (! fcn)
f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1713 fcn = no_op_fcn<T>;
f0fbf47c914c avoid null pointer call in Array<T>::hermitian Jaroslav Hajek <highegg@gmail.com> parents: 7796 diff changeset	1714
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1715 octave_idx_type nr = dim1 ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1716 octave_idx_type nc = dim2 ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1717
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1718 if (nr >= 8 && nc >= 8)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1719 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1720 Array<T> result (dim_vector (nc, nr));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1721
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1722 // Blocked transpose to attempt to avoid cache misses.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1723
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1724 // Don't use OCTAVE_LOCAL_BUFFER here as it doesn't work with bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1725 // on some compilers.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1726 T buf[64];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1727
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1728 octave_idx_type ii = 0, jj;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1729 for (jj = 0; jj < (nc - 8 + 1); jj += 8)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1730 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1731 for (ii = 0; ii < (nr - 8 + 1); ii += 8)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1732 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1733 // Copy to buffer
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1734 for (octave_idx_type j = jj, k = 0, idxj = jj * nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1735 j < jj + 8; j++, idxj += nr)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1736 for (octave_idx_type i = ii; i < ii + 8; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1737 buf[k++] = xelem (i + idxj);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1738
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1739 // Copy from buffer
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1740 for (octave_idx_type i = ii, idxi = ii * nc; i < ii + 8;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1741 i++, idxi += nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1742 for (octave_idx_type j = jj, k = i - ii; j < jj + 8;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1743 j++, k+=8)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1744 result.xelem (j + idxi) = fcn (buf[k]);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1745 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1746
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1747 if (ii < nr)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1748 for (octave_idx_type j = jj; j < jj + 8; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1749 for (octave_idx_type i = ii; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1750 result.xelem (j, i) = fcn (xelem (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1751 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1752
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1753 for (octave_idx_type j = jj; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1754 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1755 result.xelem (j, i) = fcn (xelem (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1756
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1757 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1758 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1759 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1760 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1761 Array<T> result (dim_vector (nc, nr));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1762
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1763 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1764 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1765 result.xelem (j, i) = fcn (xelem (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1766
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1767 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1768 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1769 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1770
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1771 /*
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1772
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1773 %% Tranpose tests for matrices of the tile size and plus or minus a row
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1774 %% and with four tiles.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1775
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1776 %!shared m7, mt7, m8, mt8, m9, mt9
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1777 %! m7 = reshape (1 : 7*8, 8, 7);
7796 762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1778 %! mt7 = [1:8; 9:16; 17:24; 25:32; 33:40; 41:48; 49:56];
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1779 %! m8 = reshape (1 : 8*8, 8, 8);
7796 762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1780 %! mt8 = mt8 = [mt7; 57:64];
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1781 %! m9 = reshape (1 : 9*8, 8, 9);
7796 762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1782 %! mt9 = [mt8; 65:72];
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1783
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1784 %!assert(m7', mt7)
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1785 %!assert((1im7).', 1i mt7)
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1786 %!assert((1im7)', conj (1i mt7))
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1787 %!assert(m8', mt8)
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1788 %!assert((1im8).', 1i mt8)
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1789 %!assert((1im8)', conj (1i mt8))
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1790 %!assert(m9', mt9)
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1791 %!assert((1im9).', 1i mt9)
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1792 %!assert((1im9)', conj (1i mt9))
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1793 %!assert([m7, m8; m7, m8]', [mt7, mt7; mt8, mt8])
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1794 %!assert((1i[m7, m8; m7, m8]).', 1i [mt7, mt7; mt8, mt8])
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1795 %!assert((1i[m7, m8; m7, m8])', conj (1i [mt7, mt7; mt8, mt8]))
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1796 %!assert([m8, m8; m8, m8]', [mt8, mt8; mt8, mt8])
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1797 %!assert((1i[m8, m8; m8, m8]).', 1i [mt8, mt8; mt8, mt8])
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1798 %!assert((1i[m8, m8; m8, m8])', conj (1i [mt8, mt8; mt8, mt8]))
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1799 %!assert([m9, m8; m9, m8]', [mt9, mt9; mt8, mt8])
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1800 %!assert((1i[m9, m8; m9, m8]).', 1i [mt9, mt9; mt8, mt8])
762801c50b21 Fix tests for transpose in Array.cc David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1801 %!assert((1i[m9, m8; m9, m8])', conj (1i [mt9, mt9; mt8, mt8]))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1802
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1803 */
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1804
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	1805 template <class T>
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1806 T *
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1807 Array<T>::fortran_vec (void)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1808 {
6881 cd2c6a69a70d [project @ 2007-09-07 21:48:09 by jwe] jwe parents: 6867 diff changeset	1809 make_unique ();
cd2c6a69a70d [project @ 2007-09-07 21:48:09 by jwe] jwe parents: 6867 diff changeset	1810
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1811 return rep->data;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1812 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1813
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	1814 template <class T>
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	1815 void
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1816 Array<T>::maybe_delete_dims (void)
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1817 {
4587 7b957b442818 [project @ 2003-11-10 15:50:39 by jwe] jwe parents: 4586 diff changeset	1818 int nd = dimensions.length ();
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1819
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1820 dim_vector new_dims (1, 1);
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1821
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1822 bool delete_dims = true;
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1823
4587 7b957b442818 [project @ 2003-11-10 15:50:39 by jwe] jwe parents: 4586 diff changeset	1824 for (int i = nd - 1; i >= 0; i--)
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1825 {
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1826 if (delete_dims)
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1827 {
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1828 if (dimensions(i) != 1)
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1829 {
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1830 delete_dims = false;
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1831
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1832 new_dims = dim_vector (i + 1, dimensions(i));
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1833 }
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1834 }
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1835 else
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1836 new_dims(i) = dimensions(i);
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1837 }
4530 e8d87fefd144 [project @ 2003-10-07 04:02:04 by jwe] jwe parents: 4518 diff changeset	1838
4587 7b957b442818 [project @ 2003-11-10 15:50:39 by jwe] jwe parents: 4586 diff changeset	1839 if (nd != new_dims.length ())
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1840 dimensions = new_dims;
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1841 }
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1842
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	1843 template <class T>
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1844 bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1845 ascending_compare (T a, T b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1846 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1847 return (a < b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1848 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1849
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1850 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1851 bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1852 descending_compare (T a, T b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1853 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1854 return (a > b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1855 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1856
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1857 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1858 bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1859 ascending_compare (vec_index<T> a, vec_index<T> b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1860 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1861 return (a->vec < b->vec);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1862 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1863
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1864 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1865 bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1866 descending_compare (vec_index<T> a, vec_index<T> b)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1867 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1868 return (a->vec > b->vec);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1869 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1870
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1871 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1872 Array<T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1873 Array<T>::sort (octave_idx_type dim, sortmode mode) const
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1874 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1875 Array<T> m = *this;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1876
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1877 dim_vector dv = m.dims ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1878
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1879 if (m.length () < 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1880 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1881
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1882 octave_idx_type ns = dv(dim);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1883 octave_idx_type iter = dv.numel () / ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1884 octave_idx_type stride = 1;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1885 for (int i = 0; i < dim; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1886 stride *= dv(i);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1887
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1888 T *v = m.fortran_vec ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1889 octave_sort<T> lsort;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1890
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1891 if (mode == ASCENDING)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1892 lsort.set_compare (ascending_compare);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1893 else if (mode == DESCENDING)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1894 lsort.set_compare (descending_compare);
7463 2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7443 diff changeset	1895 else
2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7443 diff changeset	1896 abort ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1897
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1898 if (stride == 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1899 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1900 for (octave_idx_type j = 0; j < iter; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1901 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1902 lsort.sort (v, ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1903 v += ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1904 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1905 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1906 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1907 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1908 // Don't use OCTAVE_LOCAL_BUFFER here as it doesn't work with bool
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1909 // on some compilers.
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1910 Array<T> vi (ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1911 T *pvi = vi.fortran_vec ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1912
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1913 for (octave_idx_type j = 0; j < iter; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1914 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1915 octave_idx_type offset = j;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1916 octave_idx_type offset2 = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1917 while (offset >= stride)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1918 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1919 offset -= stride;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1920 offset2++;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1921 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1922 offset += offset2 * stride * ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1923
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1924 for (octave_idx_type i = 0; i < ns; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1925 pvi[i] = v[i*stride + offset];
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1926
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1927 lsort.sort (pvi, ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1928
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1929 for (octave_idx_type i = 0; i < ns; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1930 v[i*stride + offset] = pvi[i];
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1931 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1932 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1933
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1934 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1935 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1936
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1937 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1938 Array<T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1939 Array<T>::sort (Array<octave_idx_type> &sidx, octave_idx_type dim,
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1940 sortmode mode) const
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1941 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1942 Array<T> m = *this;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1943
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1944 dim_vector dv = m.dims ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1945
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1946 if (m.length () < 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1947 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1948 sidx = Array<octave_idx_type> (dv);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1949 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1950 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1951
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1952 octave_idx_type ns = dv(dim);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1953 octave_idx_type iter = dv.numel () / ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1954 octave_idx_type stride = 1;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1955 for (int i = 0; i < dim; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1956 stride *= dv(i);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1957
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1958 T *v = m.fortran_vec ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1959 octave_sort<vec_index<T> *> indexed_sort;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1960
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1961 if (mode == ASCENDING)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1962 indexed_sort.set_compare (ascending_compare);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1963 else if (mode == DESCENDING)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1964 indexed_sort.set_compare (descending_compare);
7463 2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7443 diff changeset	1965 else
2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7443 diff changeset	1966 abort ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1967
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1968 OCTAVE_LOCAL_BUFFER (vec_index<T> *, vi, ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1969 OCTAVE_LOCAL_BUFFER (vec_index<T>, vix, ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1970
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1971 for (octave_idx_type i = 0; i < ns; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1972 vi[i] = &vix[i];
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1973
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1974 sidx = Array<octave_idx_type> (dv);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1975
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1976 if (stride == 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1977 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1978 for (octave_idx_type j = 0; j < iter; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1979 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1980 octave_idx_type offset = j * ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1981
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1982 for (octave_idx_type i = 0; i < ns; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1983 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1984 vi[i]->vec = v[i];
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1985 vi[i]->indx = i;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1986 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1987
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1988 indexed_sort.sort (vi, ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1989
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1990 for (octave_idx_type i = 0; i < ns; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1991 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1992 v[i] = vi[i]->vec;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1993 sidx(i + offset) = vi[i]->indx;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1994 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1995 v += ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1996 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1997 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1998 else
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	1999 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2000 for (octave_idx_type j = 0; j < iter; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2001 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2002 octave_idx_type offset = j;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2003 octave_idx_type offset2 = 0;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2004 while (offset >= stride)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2005 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2006 offset -= stride;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2007 offset2++;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2008 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2009 offset += offset2 * stride * ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2010
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2011 for (octave_idx_type i = 0; i < ns; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2012 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2013 vi[i]->vec = v[i*stride + offset];
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2014 vi[i]->indx = i;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2015 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2016
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2017 indexed_sort.sort (vi, ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2018
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2019 for (octave_idx_type i = 0; i < ns; i++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2020 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2021 v[i*stride+offset] = vi[i]->vec;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2022 sidx(i*stride+offset) = vi[i]->indx;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2023 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2024 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2025 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2026
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2027 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2028 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7321 diff changeset	2029
7443 d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2030 #if defined (HAVE_IEEE754_DATA_FORMAT)
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2031
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2032 template <>
7480 93826ba0d078 compilation fixes Jason Riedy parents: 7463 diff changeset	2033 bool ascending_compare (double, double);
7443 d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2034 template <>
7480 93826ba0d078 compilation fixes Jason Riedy parents: 7463 diff changeset	2035 bool ascending_compare (vec_index<double>, vec_index<double>);
7443 d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2036 template <>
7480 93826ba0d078 compilation fixes Jason Riedy parents: 7463 diff changeset	2037 bool descending_compare (double, double);
7443 d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2038 template <>
7480 93826ba0d078 compilation fixes Jason Riedy parents: 7463 diff changeset	2039 bool descending_compare (vec_index<double>, vec_index<double>);
7443 d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2040
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2041 template <>
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2042 Array<double> Array<double>::sort (octave_idx_type dim, sortmode mode) const;
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2043 template <>
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2044 Array<double> Array<double>::sort (Array<octave_idx_type> &sidx,
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2045 octave_idx_type dim, sortmode mode) const;
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2046
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2047 #endif
d98dea7d16b0 [project @ 2008-02-03 20:58:12 by jwe] jwe parents: 7442 diff changeset	2048
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2049 template <class T>
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2050 Array<T>
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2051 Array<T>::diag (octave_idx_type k) const
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2052 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2053 dim_vector dv = dims ();
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2054 octave_idx_type nd = dv.length ();
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2055 Array<T> d;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2056
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2057 if (nd > 2)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2058 (*current_liboctave_error_handler) ("Matrix must be 2-dimensional");
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2059 else
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2060 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2061 octave_idx_type nnr = dv (0);
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2062 octave_idx_type nnc = dv (1);
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2063
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2064 if (nnr == 0 \|\| nnc == 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2065 ; // do nothing
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2066 else if (nnr != 1 && nnc != 1)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2067 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2068 if (k > 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2069 nnc -= k;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2070 else if (k < 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2071 nnr += k;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2072
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2073 if (nnr > 0 && nnc > 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2074 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2075 octave_idx_type ndiag = (nnr < nnc) ? nnr : nnc;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2076
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2077 d.resize (dim_vector (ndiag, 1));
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2078
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2079 if (k > 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2080 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2081 for (octave_idx_type i = 0; i < ndiag; i++)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2082 d.xelem (i) = elem (i, i+k);
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2083 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2084 else if (k < 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2085 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2086 for (octave_idx_type i = 0; i < ndiag; i++)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2087 d.xelem (i) = elem (i-k, i);
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2088 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2089 else
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2090 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2091 for (octave_idx_type i = 0; i < ndiag; i++)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2092 d.xelem (i) = elem (i, i);
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2093 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2094 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2095 else
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2096 (*current_liboctave_error_handler)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2097 ("diag: requested diagonal out of range");
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2098 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2099 else if (nnr != 0 && nnc != 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2100 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2101 octave_idx_type roff = 0;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2102 octave_idx_type coff = 0;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2103 if (k > 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2104 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2105 roff = 0;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2106 coff = k;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2107 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2108 else if (k < 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2109 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2110 roff = -k;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2111 coff = 0;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2112 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2113
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2114 if (nnr == 1)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2115 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2116 octave_idx_type n = nnc + std::abs (k);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	2117 d = Array<T> (dim_vector (n, n), resize_fill_value ());
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2118
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2119 for (octave_idx_type i = 0; i < nnc; i++)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2120 d.xelem (i+roff, i+coff) = elem (0, i);
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2121 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2122 else
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2123 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2124 octave_idx_type n = nnr + std::abs (k);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	2125 d = Array<T> (dim_vector (n, n), resize_fill_value ());
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2126
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2127 for (octave_idx_type i = 0; i < nnr; i++)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2128 d.xelem (i+roff, i+coff) = elem (i, 0);
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2129 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2130 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2131 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2132
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2133 return d;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2134 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7605 diff changeset	2135
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	2136 template <class T>
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	2137 void
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	2138 Array<T>::print_info (std::ostream& os, const std::string& prefix) const
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	2139 {
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	2140 os << prefix << "rep address: " << rep << "\n"
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	2141 << prefix << "rep->len: " << rep->len << "\n"
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	2142 << prefix << "rep->data: " << static_cast<void *> (rep->data) << "\n"
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	2143 << prefix << "rep->count: " << rep->count << "\n";
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	2144
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	2145 // 2D info:
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	2146 //
4657 a585a2dfca6c [project @ 2003-11-25 01:30:09 by jwe] jwe parents: 4656 diff changeset	2147 // << pefix << "rows: " << rows () << "\n"
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4192 diff changeset	2148 // << prefix << "cols: " << cols () << "\n";
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	2149 }
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3657 diff changeset	2150
237 5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	2151 /*
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	2152 ;;; Local Variables: ***
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	2153 ;;; mode: C++ ***
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	2154 ;;; End: ***
5a9e23307fb0 [project @ 1993-11-30 20:23:04 by jwe] jwe parents: diff changeset	2155 */

Mercurial > hg > octave-lyh

annotate liboctave/Array.cc @ 8290:7cbe01c21986