octave-nkf: liboctave/Array.h annotate

annotate liboctave/Array.h @ 10409:a87afd063e7d

optimize index (call strfind)

author	Jaroslav Hajek <highegg@gmail.com>
date	Thu, 11 Mar 2010 10:27:30 +0100
parents	e5ae13b8b2c2
children	4d1fc073fbb7

rev	line source
1993 1b57120c997b [project @ 1996-03-03 01:16:15 by jwe] jwe parents: 1989 diff changeset	1 // Template array classes
228 ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	2 /*
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	3
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8814 diff changeset	4 Copyright (C) 2008, 2009 Jaroslav Hajek
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	5 Copyright (C) 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003,
a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	6 2004, 2005, 2006, 2007 John W. Eaton
228 ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	7
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	8 This file is part of Octave.
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	9
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	10 Octave is free software; you can redistribute it and/or modify it
ee01ac1c7acc [project @ 1993-11-16 09:56:54 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: 6884 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: 6884 diff changeset	13 option) any later version.
228 ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	14
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	15 Octave is distributed in the hope that it will be useful, but WITHOUT
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	18 for more details.
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	19
ee01ac1c7acc [project @ 1993-11-16 09:56:54 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: 6884 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: 6884 diff changeset	22 <http://www.gnu.org/licenses/>.
228 ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	23
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	24 */
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	25
382 e02d6b664394 [project @ 1994-03-09 21:08:03 by jwe] jwe parents: 376 diff changeset	26 #if !defined (octave_Array_h)
e02d6b664394 [project @ 1994-03-09 21:08:03 by jwe] jwe parents: 376 diff changeset	27 #define octave_Array_h 1
e02d6b664394 [project @ 1994-03-09 21:08:03 by jwe] jwe parents: 376 diff changeset	28
1366 f75432dff006 [project @ 1995-09-05 23:56:42 by jwe] jwe parents: 1359 diff changeset	29 #include <cassert>
4152 f14251d33b01 [project @ 2002-11-06 18:41:50 by jwe] jwe parents: 4066 diff changeset	30 #include <cstddef>
3613 0a93682f89c8 [project @ 2000-03-17 10:58:25 by jwe] jwe parents: 3585 diff changeset	31
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	32 #include <algorithm>
8950 d865363208d6 include <iosfwd> instead of <iostream> in header files John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	33 #include <iosfwd>
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3928 diff changeset	34
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	35 #include "dim-vector.h"
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	36 #include "idx-vector.h"
8725 d5af326a3ede [mq]: sort-traits John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	37 #include "lo-traits.h"
3613 0a93682f89c8 [project @ 2000-03-17 10:58:25 by jwe] jwe parents: 3585 diff changeset	38 #include "lo-utils.h"
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7017 diff changeset	39 #include "oct-sort.h"
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	40 #include "quit.h"
9773 01f897d8a130 optimize memory manipulation by arrays & indexing Jaroslav Hajek <highegg@gmail.com> parents: 9732 diff changeset	41 #include "oct-mem.h"
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7017 diff changeset	42
1359 a6994c934a50 [project @ 1995-09-05 21:30:26 by jwe] jwe parents: 1315 diff changeset	43 // One dimensional array class. Handles the reference counting for
a6994c934a50 [project @ 1995-09-05 21:30:26 by jwe] jwe parents: 1315 diff changeset	44 // all the derived classes.
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 228 diff changeset	45
228 ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	46 template <class T>
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3569 diff changeset	47 class
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3569 diff changeset	48 Array
228 ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	49 {
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 2847 diff changeset	50 protected:
1619 1a35c8c91349 [project @ 1995-11-04 11:07:21 by jwe] jwe parents: 1574 diff changeset	51
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	52 //--------------------------------------------------------------------
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	53 // The real representation of all arrays.
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	54 //--------------------------------------------------------------------
1735 d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	55
d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	56 class ArrayRep
d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	57 {
d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	58 public:
d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	59
d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	60 T *data;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	61 octave_idx_type len;
1735 d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	62 int count;
d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	63
10364 96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	64 ArrayRep (T *d, octave_idx_type l)
96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	65 : data (no_ctor_new<T> (l)), len (l), count (1)
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	66 {
10364 96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	67 copy_or_memcpy (l, d, data);
96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	68 }
96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	69
96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	70 template <class U>
96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	71 ArrayRep (U *d, octave_idx_type l)
96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	72 : data (no_ctor_new<T> (l)), len (l), count (1)
96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	73 {
96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	74 std::copy (d, d+l, data);
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	75 }
1735 d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	76
d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	77 ArrayRep (void) : data (0), len (0), count (1) { }
d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	78
9780 6dafc60dde31 rename oct-mem functions Jaroslav Hajek <highegg@gmail.com> parents: 9773 diff changeset	79 explicit ArrayRep (octave_idx_type n) : data (no_ctor_new<T> (n)), len (n), count (1) { }
1735 d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	80
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	81 explicit ArrayRep (octave_idx_type n, const T& val)
9780 6dafc60dde31 rename oct-mem functions Jaroslav Hajek <highegg@gmail.com> parents: 9773 diff changeset	82 : data (no_ctor_new<T> (n)), len (n), count (1)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	83 {
9780 6dafc60dde31 rename oct-mem functions Jaroslav Hajek <highegg@gmail.com> parents: 9773 diff changeset	84 fill_or_memset (n, val, data);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	85 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	86
1735 d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	87 ArrayRep (const ArrayRep& a)
9780 6dafc60dde31 rename oct-mem functions Jaroslav Hajek <highegg@gmail.com> parents: 9773 diff changeset	88 : data (no_ctor_new<T> (a.len)), len (a.len), count (1)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	89 {
9780 6dafc60dde31 rename oct-mem functions Jaroslav Hajek <highegg@gmail.com> parents: 9773 diff changeset	90 copy_or_memcpy (a.len, a.data, data);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	91 }
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	92
9780 6dafc60dde31 rename oct-mem functions Jaroslav Hajek <highegg@gmail.com> parents: 9773 diff changeset	93 ~ArrayRep (void) { no_ctor_delete<T> (data); }
1735 d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	94
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	95 octave_idx_type length (void) const { return len; }
1735 d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	96
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	97 private:
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	98
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	99 // No assignment!
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	100
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	101 ArrayRep& operator = (const ArrayRep& a);
1735 d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	102 };
d2ee993d40cd [project @ 1996-01-12 07:46:09 by jwe] jwe parents: 1703 diff changeset	103
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	104 //--------------------------------------------------------------------
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	105
6884 1cbb8b606d63 [project @ 2007-09-10 20:43:26 by jwe] jwe parents: 6881 diff changeset	106 public:
1cbb8b606d63 [project @ 2007-09-10 20:43:26 by jwe] jwe parents: 6881 diff changeset	107
9556 948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	108 void make_unique (void)
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	109 {
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	110 if (rep->count > 1)
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	111 {
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	112 --rep->count;
10364 96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	113 rep = new ArrayRep (slice_data, slice_len);
9556 948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	114 slice_data = rep->data;
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	115 }
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	116 }
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 228 diff changeset	117
5900 c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5775 diff changeset	118 typedef T element_type;
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5775 diff changeset	119
10075 84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	120 typedef typename ref_param<T>::type crefT;
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	121
8725 d5af326a3ede [mq]: sort-traits John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	122 typedef bool (*compare_fcn_type) (typename ref_param<T>::type,
10312 cbc402e64d83 untabify liboctave header files John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	123 typename ref_param<T>::type);
8725 d5af326a3ede [mq]: sort-traits John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	124
8524 937921654627 clean up Array and DiagArray2 Jaroslav Hajek <highegg@gmail.com> parents: 8523 diff changeset	125 protected:
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	126
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	127 typename Array<T>::ArrayRep *rep;
4518 382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe] jwe parents: 4517 diff changeset	128
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	129 dim_vector dimensions;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	130
8531 b01fef323c24 add some explaining comments Jaroslav Hajek <highegg@gmail.com> parents: 8524 diff changeset	131 // Rationale:
b01fef323c24 add some explaining comments Jaroslav Hajek <highegg@gmail.com> parents: 8524 diff changeset	132 // slice_data is a pointer to rep->data, denoting together with slice_len the
b01fef323c24 add some explaining comments Jaroslav Hajek <highegg@gmail.com> parents: 8524 diff changeset	133 // actual portion of the data referenced by this Array<T> object. This allows
b01fef323c24 add some explaining comments Jaroslav Hajek <highegg@gmail.com> parents: 8524 diff changeset	134 // to make shallow copies not only of a whole array, but also of contiguous
b01fef323c24 add some explaining comments Jaroslav Hajek <highegg@gmail.com> parents: 8524 diff changeset	135 // subranges. Every time rep is directly manipulated, slice_data and slice_len
b01fef323c24 add some explaining comments Jaroslav Hajek <highegg@gmail.com> parents: 8524 diff changeset	136 // need to be properly updated.
b01fef323c24 add some explaining comments Jaroslav Hajek <highegg@gmail.com> parents: 8524 diff changeset	137
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	138 T* slice_data;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	139 octave_idx_type slice_len;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	140
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	141 // slice constructor
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	142 Array (const Array<T>& a, const dim_vector& dv,
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	143 octave_idx_type l, octave_idx_type u)
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	144 : rep(a.rep), dimensions (dv)
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	145 {
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	146 rep->count++;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	147 slice_data = a.slice_data + l;
9731 7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	148 slice_len = u - l;
10095 eb8ac0eed9f1 always chop dimension vector when constructing Arrays Jaroslav Hajek <highegg@gmail.com> parents: 10075 diff changeset	149 dimensions.chop_trailing_singletons ();
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	150 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	151
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	152 private:
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	153
4585 a1ac9ab474a1 [project @ 2003-11-08 06:07:33 by jwe] jwe parents: 4567 diff changeset	154 typename Array<T>::ArrayRep *nil_rep (void) const
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	155 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	156 static typename Array<T>::ArrayRep *nr
10312 cbc402e64d83 untabify liboctave header files John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	157 = new typename Array<T>::ArrayRep ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	158
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	159 return nr;
1550 d89532de8e72 [project @ 1995-10-08 01:12:20 by jwe] jwe parents: 1366 diff changeset	160 }
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 228 diff changeset	161
228 ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	162 public:
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 228 diff changeset	163
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	164 // Empty ctor (0x0).
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	165
1550 d89532de8e72 [project @ 1995-10-08 01:12:20 by jwe] jwe parents: 1366 diff changeset	166 Array (void)
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	167 : rep (nil_rep ()), dimensions ()
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	168 {
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	169 rep->count++;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	170 slice_data = rep->data;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	171 slice_len = rep->len;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	172 }
1550 d89532de8e72 [project @ 1995-10-08 01:12:20 by jwe] jwe parents: 1366 diff changeset	173
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	174 // Obsolete 1D ctor (there are no 1D arrays).
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	175 explicit Array (octave_idx_type n) GCC_ATTR_DEPRECATED
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	176 : rep (new typename Array<T>::ArrayRep (n)), dimensions (n, 1)
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	177 {
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	178 slice_data = rep->data;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	179 slice_len = rep->len;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	180 }
1619 1a35c8c91349 [project @ 1995-11-04 11:07:21 by jwe] jwe parents: 1574 diff changeset	181
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	182 // 2D uninitialized ctor.
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	183 explicit Array (octave_idx_type m, octave_idx_type n)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	184 : rep (), dimensions (m, n)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	185 {
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	186 rep = new typename Array<T>::ArrayRep (dimensions.safe_numel ());
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	187 slice_data = rep->data;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	188 slice_len = rep->len;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	189 }
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	190
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	191 // 2D initialized ctor.
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	192 explicit Array (octave_idx_type m, octave_idx_type n, const T& val)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	193 : rep (), dimensions (m, n)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	194 {
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	195 rep = new typename Array<T>::ArrayRep (dimensions.safe_numel ());
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	196 slice_data = rep->data;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	197 slice_len = rep->len;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	198 fill (val);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	199 }
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	200
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	201 // nD uninitialized ctor.
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	202 explicit Array (const dim_vector& dv)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	203 : rep (new typename Array<T>::ArrayRep (dv.safe_numel ())),
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	204 dimensions (dv)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	205 {
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	206 slice_data = rep->data;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	207 slice_len = rep->len;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	208 dimensions.chop_trailing_singletons ();
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	209 }
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	210
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	211 // nD initialized ctor.
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	212 explicit Array (const dim_vector& dv, const T& val)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	213 : rep (new typename Array<T>::ArrayRep (dv.safe_numel ())),
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	214 dimensions (dv)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	215 {
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	216 slice_data = rep->data;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	217 slice_len = rep->len;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	218 fill (val);
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	219 dimensions.chop_trailing_singletons ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	220 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	221
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	222 // Reshape constructor.
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	223 Array (const Array<T>& a, const dim_vector& dv);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	224
10352 a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	225 Array (const Array<T>& a, octave_idx_type nr, octave_idx_type nc);
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	226
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	227 // Type conversion case.
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	228 template <class U>
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	229 Array (const Array<U>& a)
10364 96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	230 : rep (new typename Array<T>::ArrayRep (a.data (), a.length ())),
8524 937921654627 clean up Array and DiagArray2 Jaroslav Hajek <highegg@gmail.com> parents: 8523 diff changeset	231 dimensions (a.dims ())
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	232 {
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	233 slice_data = rep->data;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	234 slice_len = rep->len;
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	235 }
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	236
bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	237 // No type conversion case.
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	238 Array (const Array<T>& a)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	239 : rep (a.rep), dimensions (a.dimensions)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	240 {
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	241 rep->count++;
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	242 slice_data = a.slice_data;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	243 slice_len = a.slice_len;
1550 d89532de8e72 [project @ 1995-10-08 01:12:20 by jwe] jwe parents: 1366 diff changeset	244 }
d89532de8e72 [project @ 1995-10-08 01:12:20 by jwe] jwe parents: 1366 diff changeset	245
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	246 public:
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	247
9556 948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	248 ~Array (void)
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	249 {
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	250 if (--rep->count <= 0)
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	251 delete rep;
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	252 }
228 ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	253
9556 948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	254 Array<T>& operator = (const Array<T>& a)
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	255 {
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	256 if (this != &a)
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	257 {
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	258 if (--rep->count <= 0)
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	259 delete rep;
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	260
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	261 rep = a.rep;
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	262 rep->count++;
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	263
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	264 dimensions = a.dimensions;
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	265 slice_data = a.slice_data;
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	266 slice_len = a.slice_len;
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	267 }
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	268
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	269 return *this;
948795dc1974 make a few Array methods inline Jaroslav Hajek <highegg@gmail.com> parents: 9546 diff changeset	270 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	271
8524 937921654627 clean up Array and DiagArray2 Jaroslav Hajek <highegg@gmail.com> parents: 8523 diff changeset	272 void fill (const T& val);
9624 3fc7272937ce implement Array<T>::clear overloads Jaroslav Hajek <highegg@gmail.com> parents: 9556 diff changeset	273
9546 1beb23d2b892 optimize op= in common cases Jaroslav Hajek <highegg@gmail.com> parents: 9341 diff changeset	274 void clear (void);
9624 3fc7272937ce implement Array<T>::clear overloads Jaroslav Hajek <highegg@gmail.com> parents: 9556 diff changeset	275 void clear (const dim_vector& dv);
3fc7272937ce implement Array<T>::clear overloads Jaroslav Hajek <highegg@gmail.com> parents: 9556 diff changeset	276
3fc7272937ce implement Array<T>::clear overloads Jaroslav Hajek <highegg@gmail.com> parents: 9556 diff changeset	277 void clear (octave_idx_type r, octave_idx_type c)
3fc7272937ce implement Array<T>::clear overloads Jaroslav Hajek <highegg@gmail.com> parents: 9556 diff changeset	278 { clear (dim_vector (r, c)); }
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 228 diff changeset	279
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	280 octave_idx_type capacity (void) const { return slice_len; }
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	281 octave_idx_type length (void) const { return capacity (); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	282 octave_idx_type nelem (void) const { return capacity (); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	283 octave_idx_type numel (void) const { return nelem (); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	284
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	285 octave_idx_type dim1 (void) const { return dimensions(0); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	286 octave_idx_type dim2 (void) const { return dimensions(1); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	287 octave_idx_type dim3 (void) const { return dimensions(2); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	288
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	289 // Return the array as a column vector.
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	290 Array<T> as_column (void) const
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	291 {
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	292 Array<T> retval (*this);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	293 if (dimensions.length () != 2 \|\| dimensions(1) != 1)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	294 retval.dimensions = dim_vector (numel (), 1);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	295
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	296 return retval;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	297 }
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	298
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	299 // Return the array as a row vector.
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	300 Array<T> as_row (void) const
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	301 {
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	302 Array<T> retval (*this);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	303 if (dimensions.length () != 2 \|\| dimensions(0) != 1)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	304 retval.dimensions = dim_vector (1, numel ());
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	305
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	306 return retval;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	307 }
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	308
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	309 // Return the array as a matrix.
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	310 Array<T> as_matrix (void) const
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	311 {
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	312 Array<T> retval (*this);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	313 if (dimensions.length () != 2)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	314 retval.dimensions = dimensions.redim (2);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	315
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	316 return retval;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	317 }
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	318
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	319 octave_idx_type rows (void) const { return dim1 (); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	320 octave_idx_type cols (void) const { return dim2 (); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	321 octave_idx_type columns (void) const { return dim2 (); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	322 octave_idx_type pages (void) const { return dim3 (); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	323
10358 72fab01e5d68 improve some size_t queries Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	324 size_t byte_size (void) const { return static_cast<size_t> (numel ()) * sizeof (T); }
4902 bd043a433918 [project @ 2004-06-14 18:46:20 by jwe] jwe parents: 4834 diff changeset	325
9026 6890d411a0b8 adjust some array dim query methods Jaroslav Hajek <highegg@gmail.com> parents: 9025 diff changeset	326 // Return a const-reference so that dims ()(i) works efficiently.
6890d411a0b8 adjust some array dim query methods Jaroslav Hajek <highegg@gmail.com> parents: 9025 diff changeset	327 const dim_vector& dims (void) const { return dimensions; }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	328
4532 01ee68d18069 [project @ 2003-10-10 00:49:54 by jwe] jwe parents: 4530 diff changeset	329 Array<T> squeeze (void) const;
4703 72c28fd651c4 [project @ 2004-01-22 00:01:09 by jwe] jwe parents: 4625 diff changeset	330
10095 eb8ac0eed9f1 always chop dimension vector when constructing Arrays Jaroslav Hajek <highegg@gmail.com> parents: 10075 diff changeset	331 void chop_trailing_singletons (void) GCC_ATTR_DEPRECATED
4703 72c28fd651c4 [project @ 2004-01-22 00:01:09 by jwe] jwe parents: 4625 diff changeset	332 { dimensions.chop_trailing_singletons (); }
72c28fd651c4 [project @ 2004-01-22 00:01:09 by jwe] jwe parents: 4625 diff changeset	333
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	334 octave_idx_type compute_index (octave_idx_type i, octave_idx_type j) const;
e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	335 octave_idx_type compute_index (octave_idx_type i, octave_idx_type j, octave_idx_type k) const;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	336 octave_idx_type compute_index (const Array<octave_idx_type>& ra_idx) const;
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	337
2108 2b67abb63030 [project @ 1996-04-30 10:44:17 by jwe] jwe parents: 2049 diff changeset	338 // No checking, even for multiple references, ever.
2b67abb63030 [project @ 1996-04-30 10:44:17 by jwe] jwe parents: 2049 diff changeset	339
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	340 T& xelem (octave_idx_type n) { return slice_data [n]; }
10075 84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	341 crefT xelem (octave_idx_type n) const { return slice_data [n]; }
2108 2b67abb63030 [project @ 1996-04-30 10:44:17 by jwe] jwe parents: 2049 diff changeset	342
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	343 T& xelem (octave_idx_type i, octave_idx_type j) { return xelem (dim1()*j+i); }
10075 84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	344 crefT xelem (octave_idx_type i, octave_idx_type j) const { return xelem (dim1()*j+i); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	345
10075 84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	346 T& xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k)
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	347 { return xelem (i, dim2()*k+j); }
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	348 crefT xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	349 { return xelem (i, dim2()*k+j); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	350
6867 83619ae96c1d [project @ 2007-09-06 12:08:44 by dbateman] dbateman parents: 6708 diff changeset	351 T& xelem (const Array<octave_idx_type>& ra_idx)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	352 { return xelem (compute_index (ra_idx)); }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	353
10075 84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	354 crefT xelem (const Array<octave_idx_type>& ra_idx) const
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	355 { return xelem (compute_index (ra_idx)); }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	356
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5632 diff changeset	357 // FIXME -- would be nice to fix this so that we don't
2006 95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe] jwe parents: 2005 diff changeset	358 // unnecessarily force a copy, but that is not so easy, and I see no
95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe] jwe parents: 2005 diff changeset	359 // clean way to do it.
95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe] jwe parents: 2005 diff changeset	360
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	361 T& checkelem (octave_idx_type n);
e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	362 T& checkelem (octave_idx_type i, octave_idx_type j);
e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	363 T& checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k);
e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	364 T& checkelem (const Array<octave_idx_type>& ra_idx);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	365
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	366 T& elem (octave_idx_type n)
2108 2b67abb63030 [project @ 1996-04-30 10:44:17 by jwe] jwe parents: 2049 diff changeset	367 {
2b67abb63030 [project @ 1996-04-30 10:44:17 by jwe] jwe parents: 2049 diff changeset	368 make_unique ();
2109 356f70c8fcbd [project @ 1996-04-30 12:31:30 by jwe] jwe parents: 2108 diff changeset	369 return xelem (n);
2108 2b67abb63030 [project @ 1996-04-30 10:44:17 by jwe] jwe parents: 2049 diff changeset	370 }
2306 2fbf9bb1cd7a [project @ 1996-07-09 16:49:03 by jwe] jwe parents: 2109 diff changeset	371
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	372 T& elem (octave_idx_type i, octave_idx_type j) { return elem (dim1()*j+i); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	373
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	374 T& elem (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return elem (i, dim2()*k+j); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	375
6867 83619ae96c1d [project @ 2007-09-06 12:08:44 by dbateman] dbateman parents: 6708 diff changeset	376 T& elem (const Array<octave_idx_type>& ra_idx)
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	377 { return Array<T>::elem (compute_index (ra_idx)); }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	378
2306 2fbf9bb1cd7a [project @ 1996-07-09 16:49:03 by jwe] jwe parents: 2109 diff changeset	379 #if defined (BOUNDS_CHECKING)
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	380 T& operator () (octave_idx_type n) { return checkelem (n); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	381 T& operator () (octave_idx_type i, octave_idx_type j) { return checkelem (i, j); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	382 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return checkelem (i, j, k); }
6867 83619ae96c1d [project @ 2007-09-06 12:08:44 by dbateman] dbateman parents: 6708 diff changeset	383 T& operator () (const Array<octave_idx_type>& ra_idx) { return checkelem (ra_idx); }
2306 2fbf9bb1cd7a [project @ 1996-07-09 16:49:03 by jwe] jwe parents: 2109 diff changeset	384 #else
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	385 T& operator () (octave_idx_type n) { return elem (n); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	386 T& operator () (octave_idx_type i, octave_idx_type j) { return elem (i, j); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	387 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return elem (i, j, k); }
6867 83619ae96c1d [project @ 2007-09-06 12:08:44 by dbateman] dbateman parents: 6708 diff changeset	388 T& operator () (const Array<octave_idx_type>& ra_idx) { return elem (ra_idx); }
2006 95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe] jwe parents: 2005 diff changeset	389 #endif
95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe] jwe parents: 2005 diff changeset	390
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	391 crefT checkelem (octave_idx_type n) const;
e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	392 crefT checkelem (octave_idx_type i, octave_idx_type j) const;
e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	393 crefT checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const;
e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	394 crefT checkelem (const Array<octave_idx_type>& ra_idx) const;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	395
10075 84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	396 crefT elem (octave_idx_type n) const { return xelem (n); }
2306 2fbf9bb1cd7a [project @ 1996-07-09 16:49:03 by jwe] jwe parents: 2109 diff changeset	397
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	398 crefT elem (octave_idx_type i, octave_idx_type j) const { return xelem (i, j); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	399
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	400 crefT elem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return xelem (i, j, k); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	401
10075 84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	402 crefT elem (const Array<octave_idx_type>& ra_idx) const
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10364 diff changeset	403 { return Array<T>::xelem (compute_index (ra_idx)); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	404
2108 2b67abb63030 [project @ 1996-04-30 10:44:17 by jwe] jwe parents: 2049 diff changeset	405 #if defined (BOUNDS_CHECKING)
10075 84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	406 crefT operator () (octave_idx_type n) const { return checkelem (n); }
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	407 crefT operator () (octave_idx_type i, octave_idx_type j) const { return checkelem (i, j); }
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	408 crefT operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return checkelem (i, j, k); }
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	409 crefT operator () (const Array<octave_idx_type>& ra_idx) const { return checkelem (ra_idx); }
2006 95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe] jwe parents: 2005 diff changeset	410 #else
10075 84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	411 crefT operator () (octave_idx_type n) const { return elem (n); }
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	412 crefT operator () (octave_idx_type i, octave_idx_type j) const { return elem (i, j); }
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	413 crefT operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return elem (i, j, k); }
84b0725f4b09 return class types by reference in const Array element access functions Jaroslav Hajek <highegg@gmail.com> parents: 9921 diff changeset	414 crefT operator () (const Array<octave_idx_type>& ra_idx) const { return elem (ra_idx); }
2006 95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe] jwe parents: 2005 diff changeset	415 #endif
95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe] jwe parents: 2005 diff changeset	416
9731 7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	417 // Fast extractors. All of these produce shallow copies.
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	418 // Warning: none of these do check bounds, unless BOUNDS_CHECKING is on!
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	419
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	420 // Extract column: A(:,k+1).
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	421 Array<T> column (octave_idx_type k) const;
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	422 // Extract page: A(:,:,k+1).
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	423 Array<T> page (octave_idx_type k) const;
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	424
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	425 // Give this array as a column vector: A(:).
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	426 Array<T> linearize (void) const;
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	427
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	428 // Extract a slice from this array as a column vector: A(:)(lo+1:up).
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	429 // Must be 0 <= lo && up <= numel. May be up < lo.
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	430 Array<T> linear_slice (octave_idx_type lo, octave_idx_type up) const;
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	431
10352 a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	432 Array<T> reshape (octave_idx_type nr, octave_idx_type nc) const
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	433 { return Array<T> (*this, nr, nc); }
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	434
9731 7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	435 Array<T> reshape (const dim_vector& new_dims) const
7b9cbaad68d6 extend Array<T> Jaroslav Hajek <highegg@gmail.com> parents: 9725 diff changeset	436 { return Array<T> (*this, new_dims); }
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4559 diff changeset	437
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	438 Array<T> permute (const Array<octave_idx_type>& vec, bool inv = false) const;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	439 Array<T> ipermute (const Array<octave_idx_type>& vec) const
4593 77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4587 diff changeset	440 { return permute (vec, true); }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe] jwe parents: 4587 diff changeset	441
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	442 bool is_square (void) const { return (dim1 () == dim2 ()); }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	443
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	444 bool is_empty (void) const { return numel () == 0; }
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	445
9026 6890d411a0b8 adjust some array dim query methods Jaroslav Hajek <highegg@gmail.com> parents: 9025 diff changeset	446 bool is_vector (void) const { return dimensions.is_vector (); }
6890d411a0b8 adjust some array dim query methods Jaroslav Hajek <highegg@gmail.com> parents: 9025 diff changeset	447
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	448 Array<T> transpose (void) const;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7717 diff changeset	449 Array<T> hermitian (T (*fcn) (const T&) = 0) const;
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 228 diff changeset	450
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	451 const T *data (void) const { return slice_data; }
228 ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe] jwe parents: diff changeset	452
3952 945e8c160191 [project @ 2002-05-23 17:18:12 by jwe] jwe parents: 3944 diff changeset	453 const T *fortran_vec (void) const { return data (); }
945e8c160191 [project @ 2002-05-23 17:18:12 by jwe] jwe parents: 3944 diff changeset	454
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 228 diff changeset	455 T *fortran_vec (void);
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	456
9546 1beb23d2b892 optimize op= in common cases Jaroslav Hajek <highegg@gmail.com> parents: 9341 diff changeset	457 bool is_shared (void) { return rep->count > 1; }
1beb23d2b892 optimize op= in common cases Jaroslav Hajek <highegg@gmail.com> parents: 9341 diff changeset	458
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	459 int ndims (void) const { return dimensions.length (); }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	460
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	461 void maybe_delete_dims (void);
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	462
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	463 // Indexing without resizing.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	464
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	465 Array<T> index (const idx_vector& i) const;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	466
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	467 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	468
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	469 Array<T> index (const Array<idx_vector>& ia) const;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	470
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	471 static const T& resize_fill_value ();
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	472
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	473 // Resizing (with fill).
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	474
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	475 void resize1 (octave_idx_type n, const T& rfv = resize_fill_value ());
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1550 diff changeset	476
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	477 void resize (octave_idx_type n) GCC_ATTR_DEPRECATED
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	478 { resize1 (n); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	479
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	480 void resize (octave_idx_type nr, octave_idx_type nc,
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	481 const T& rfv = resize_fill_value ());
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	482
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	483 void resize (const dim_vector& dv, const T& rfv = resize_fill_value ());
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	484
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	485 // Indexing with possible resizing and fill
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8290 diff changeset	486 // FIXME -- this is really a corner case, that should better be
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8290 diff changeset	487 // handled directly in liboctinterp.
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3928 diff changeset	488
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	489 Array<T> index (const idx_vector& i, bool resize_ok,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	490 const T& rfv = resize_fill_value ()) const;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	491
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	492 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	493 bool resize_ok, const T& rfv = resize_fill_value ()) const;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	494
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	495 Array<T> index (const Array<idx_vector>& ia,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	496 bool resize_ok, const T& rfv = resize_fill_value ()) const;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	497
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	498 // Indexed assignment (always with resize & fill).
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	499
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	500 void assign (const idx_vector& i, const Array<T>& rhs,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	501 const T& rfv = resize_fill_value ());
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	502
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	503 void assign (const idx_vector& i, const idx_vector& j, const Array<T>& rhs,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	504 const T& rfv = resize_fill_value ());
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	505
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	506 void assign (const Array<idx_vector>& ia, const Array<T>& rhs,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	507 const T& rfv = resize_fill_value ());
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	508
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	509 // Deleting elements.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	510
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	511 // A(I) = [] (with a single subscript)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	512 void delete_elements (const idx_vector& i);
4530 e8d87fefd144 [project @ 2003-10-07 04:02:04 by jwe] jwe parents: 4518 diff changeset	513
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	514 // A(:,...,I,...,:) = [] (>= 2 subscripts, one of them is non-colon)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	515 void delete_elements (int dim, const idx_vector& i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	516
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	517 // Dispatcher to the above two.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	518 void delete_elements (const Array<idx_vector>& ia);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	519
10115 ed49cef7e005 simplify Array::insert methods Jaroslav Hajek <highegg@gmail.com> parents: 10095 diff changeset	520 // Insert an array into another at a specified position.
ed49cef7e005 simplify Array::insert methods Jaroslav Hajek <highegg@gmail.com> parents: 10095 diff changeset	521 // If size (a) is [d1 d2 ... dN] and idx is [i1 i2 ... iN],
ed49cef7e005 simplify Array::insert methods Jaroslav Hajek <highegg@gmail.com> parents: 10095 diff changeset	522 // this method is equivalent to
ed49cef7e005 simplify Array::insert methods Jaroslav Hajek <highegg@gmail.com> parents: 10095 diff changeset	523 // x(i1:i1+d1-1, i2:i2+d2-1, ... , iN:iN+dN-1) = a.
ed49cef7e005 simplify Array::insert methods Jaroslav Hajek <highegg@gmail.com> parents: 10095 diff changeset	524 Array<T>& insert (const Array<T>& a, const Array<octave_idx_type>& idx);
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3836 diff changeset	525
10115 ed49cef7e005 simplify Array::insert methods Jaroslav Hajek <highegg@gmail.com> parents: 10095 diff changeset	526 // This is just a special case for idx = [r c 0 ...]
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 8179 diff changeset	527 Array<T>& insert (const Array<T>& a, octave_idx_type r, octave_idx_type c);
3933 f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe] jwe parents: 3928 diff changeset	528
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	529 void maybe_economize (void)
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	530 {
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	531 if (rep->count == 1 && slice_len != rep->len)
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	532 {
10364 96ed7c629bbd remove dangerous pointer-acquiring Array ctors Jaroslav Hajek <highegg@gmail.com> parents: 10358 diff changeset	533 ArrayRep *new_rep = new ArrayRep (slice_data, slice_len);
8523 ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	534 delete rep;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	535 rep = new_rep;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	536 slice_data = rep->data;
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	537 }
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	538 }
ad3afaaa19c1 implement non-copying contiguous range indexing Jaroslav Hajek <highegg@gmail.com> parents: 8503 diff changeset	539
4517 b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe] jwe parents: 4513 diff changeset	540 void print_info (std::ostream& os, const std::string& prefix) const;
5900 c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5775 diff changeset	541
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5775 diff changeset	542 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5775 diff changeset	543 // You should not use it anywhere else.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe] jwe parents: 5775 diff changeset	544 void mex_get_data (void) const { return const_cast<T > (data ()); }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7017 diff changeset	545
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9653 diff changeset	546 Array<T> sort (int dim = 0, sortmode mode = ASCENDING) const;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9653 diff changeset	547 Array<T> sort (Array<octave_idx_type> &sidx, int dim = 0,
10312 cbc402e64d83 untabify liboctave header files John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	548 sortmode mode = ASCENDING) const;
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	549
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8700 diff changeset	550 // Ordering is auto-detected or can be specified.
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8700 diff changeset	551 sortmode is_sorted (sortmode mode = UNSORTED) const;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8700 diff changeset	552
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8700 diff changeset	553 // Sort by rows returns only indices.
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8700 diff changeset	554 Array<octave_idx_type> sort_rows_idx (sortmode mode = ASCENDING) const;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8700 diff changeset	555
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8700 diff changeset	556 // Ordering is auto-detected or can be specified.
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8700 diff changeset	557 sortmode is_sorted_rows (sortmode mode = UNSORTED) const;
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8700 diff changeset	558
9921 7c8392a034e6 fix & improve lookup API Jaroslav Hajek <highegg@gmail.com> parents: 9878 diff changeset	559 // Do a binary lookup in a sorted array. Must not contain NaNs.
8814 de16ebeef93d improve lookup, provide Array<T>::lookup Jaroslav Hajek <highegg@gmail.com> parents: 8725 diff changeset	560 // Mode can be specified or is auto-detected by comparing 1st and last element.
de16ebeef93d improve lookup, provide Array<T>::lookup Jaroslav Hajek <highegg@gmail.com> parents: 8725 diff changeset	561 octave_idx_type lookup (const T& value, sortmode mode = UNSORTED) const;
de16ebeef93d improve lookup, provide Array<T>::lookup Jaroslav Hajek <highegg@gmail.com> parents: 8725 diff changeset	562
9921 7c8392a034e6 fix & improve lookup API Jaroslav Hajek <highegg@gmail.com> parents: 9878 diff changeset	563 // Ditto, but for an array of values, specializing on the case when values
7c8392a034e6 fix & improve lookup API Jaroslav Hajek <highegg@gmail.com> parents: 9878 diff changeset	564 // are sorted. NaNs get the value N.
7c8392a034e6 fix & improve lookup API Jaroslav Hajek <highegg@gmail.com> parents: 9878 diff changeset	565 Array<octave_idx_type> lookup (const Array<T>& values, sortmode mode = UNSORTED) const;
9341 9fd5c56ce57a extend lookup capabilities Jaroslav Hajek <highegg@gmail.com> parents: 9201 diff changeset	566
9878 ead4f9c82a9a implement Array<T>::nnz Jaroslav Hajek <highegg@gmail.com> parents: 9840 diff changeset	567 // Count nonzero elements.
ead4f9c82a9a implement Array<T>::nnz Jaroslav Hajek <highegg@gmail.com> parents: 9840 diff changeset	568 octave_idx_type nnz (void) const;
ead4f9c82a9a implement Array<T>::nnz Jaroslav Hajek <highegg@gmail.com> parents: 9840 diff changeset	569
9025 484756d558d6 add Array<T>::find Jaroslav Hajek <highegg@gmail.com> parents: 8998 diff changeset	570 // Find indices of (at most n) nonzero elements. If n is specified, backward
484756d558d6 add Array<T>::find Jaroslav Hajek <highegg@gmail.com> parents: 8998 diff changeset	571 // specifies search from backward.
484756d558d6 add Array<T>::find Jaroslav Hajek <highegg@gmail.com> parents: 8998 diff changeset	572 Array<octave_idx_type> find (octave_idx_type n = -1, bool backward = false) const;
484756d558d6 add Array<T>::find Jaroslav Hajek <highegg@gmail.com> parents: 8998 diff changeset	573
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9653 diff changeset	574 // Returns the n-th element in increasing order, using the same ordering as
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9653 diff changeset	575 // used for sort. n can either be a scalar index or a contiguous range.
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9653 diff changeset	576 Array<T> nth_element (const idx_vector& n, int dim = 0) const;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9653 diff changeset	577
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7503 diff changeset	578 Array<T> diag (octave_idx_type k = 0) const;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7503 diff changeset	579
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	580 template <class U, class F>
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	581 Array<U>
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	582 map (F fcn) const
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	583 {
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	584 octave_idx_type len = length ();
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	585
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	586 const T *m = data ();
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	587
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	588 Array<U> result (dims ());
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	589 U *p = result.fortran_vec ();
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	590
9812 f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	591 octave_idx_type i;
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	592 for (i = 0; i < len - 3; i += 4)
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	593 {
10312 cbc402e64d83 untabify liboctave header files John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	594 octave_quit ();
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	595
9812 f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	596 p[i] = fcn (m[i]);
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	597 p[i+1] = fcn (m[i+1]);
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	598 p[i+2] = fcn (m[i+2]);
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	599 p[i+3] = fcn (m[i+3]);
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	600 }
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	601
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10115 diff changeset	602 octave_quit ();
9812 f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	603
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	604 for (; i < len; i++)
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	605 p[i] = fcn (m[i]);
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	606
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	607 return result;
8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7463 diff changeset	608 }
8998 a48fba01e4ac optimize isnan/isinf/isfinite mappers Jaroslav Hajek <highegg@gmail.com> parents: 8950 diff changeset	609
9812 f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	610 // Overloads for function references.
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	611 template <class U>
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	612 Array<U>
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	613 map (U (&fcn) (T)) const
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	614 { return map<U, U (&) (T)> (fcn); }
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	615
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	616 template <class U>
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	617 Array<U>
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	618 map (U (&fcn) (const T&)) const
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	619 { return map<U, U (&) (const T&)> (fcn); }
f80c566bc751 improve unary mapper system Jaroslav Hajek <highegg@gmail.com> parents: 9800 diff changeset	620
9046 88bf56bbccca make Array::find already return Matlab-compatible dimensions Jaroslav Hajek <highegg@gmail.com> parents: 9026 diff changeset	621 template <class U> friend class Array;
9201 472f0e22aa60 guard against implicit instantiation Jaroslav Hajek <highegg@gmail.com> parents: 9046 diff changeset	622
472f0e22aa60 guard against implicit instantiation Jaroslav Hajek <highegg@gmail.com> parents: 9046 diff changeset	623 private:
472f0e22aa60 guard against implicit instantiation Jaroslav Hajek <highegg@gmail.com> parents: 9046 diff changeset	624 static void instantiation_guard ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: 4461 diff changeset	625 };
4459 75ee1995d2b4 [project @ 2003-07-11 17:46:41 by jwe] jwe parents: 4192 diff changeset	626
9653 e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	627 // This is a simple wrapper template that will subclass an Array<T> type or any
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	628 // later type derived from it and override the default non-const operator() to
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	629 // not check for the array's uniqueness. It is, however, the user's
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	630 // responsibility to ensure the array is actually unaliased whenever elements
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	631 // are accessed.
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	632
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	633 template<class ArrayClass>
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	634 class NoAlias : public ArrayClass
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	635 {
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	636 typedef typename ArrayClass::element_type T;
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	637 public:
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	638 NoAlias () : ArrayClass () { }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	639
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	640 // FIXME: this would be simpler once C++0x is available
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	641 template <class X>
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	642 explicit NoAlias (X x) : ArrayClass (x) { }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	643
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	644 template <class X, class Y>
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	645 explicit NoAlias (X x, Y y) : ArrayClass (x, y) { }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	646
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	647 template <class X, class Y, class Z>
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	648 explicit NoAlias (X x, Y y, Z z) : ArrayClass (x, y, z) { }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	649
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	650 T& operator () (octave_idx_type n)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	651 { return ArrayClass::xelem (n); }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	652 T& operator () (octave_idx_type i, octave_idx_type j)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	653 { return ArrayClass::xelem (i, j); }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	654 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	655 { return ArrayClass::xelem (i, j, k); }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	656 T& operator () (const Array<octave_idx_type>& ra_idx)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	657 { return ArrayClass::xelem (ra_idx); }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	658 };
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9624 diff changeset	659
9732 b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9731 diff changeset	660 template <class T>
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9731 diff changeset	661 std::ostream&
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9731 diff changeset	662 operator << (std::ostream& os, const Array<T>& a);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops Jaroslav Hajek <highegg@gmail.com> parents: 9731 diff changeset	663
9773 01f897d8a130 optimize memory manipulation by arrays & indexing Jaroslav Hajek <highegg@gmail.com> parents: 9732 diff changeset	664 #endif

Mercurial > hg > octave-nkf

annotate liboctave/Array.h @ 10409:a87afd063e7d