octave-lyh: liboctave/array/dim-vector.h annotate

annotate liboctave/array/dim-vector.h @ 17535:c12c688a35ed default tip lyh

Fix warnings

author	LYH <lyh.kernel@gmail.com>
date	Fri, 27 Sep 2013 17:43:27 +0800
parents	648dabbb4c6b
children

rev	line source
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	1 /*
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	2
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 13985 diff changeset	3 Copyright (C) 2003-2012 John W. Eaton
10521 4d1fc073fbb7 add some missing copyright stmts Jaroslav Hajek <highegg@gmail.com> parents: 10498 diff changeset	4 Copyirght (C) 2009, 2010 VZLU Prague
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	5
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	7
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	9 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: 6216 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6216 diff changeset	11 option) any later version.
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	12
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	16 for more details.
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	17
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	18 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: 6216 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6216 diff changeset	20 <http://www.gnu.org/licenses/>.
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	21
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	22 */
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	23
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	24 #if !defined (octave_dim_vector_h)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	25 #define octave_dim_vector_h 1
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	26
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	27 #include <cassert>
9840 c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	28 #include <limits>
8950 d865363208d6 include <iosfwd> instead of <iostream> in header files John W. Eaton <jwe@octave.org> parents: 8920 diff changeset	29
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5307 diff changeset	30 #include <sstream>
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	31 #include <string>
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	32
6216 74ca56e4414c [project @ 2006-12-22 17:45:47 by jwe] jwe parents: 5765 diff changeset	33 #include "lo-error.h"
10419 afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	34 #include "lo-macros.h"
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	35 #include "oct-refcount.h"
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	36
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	37 // Rationale: This implementation is more tricky than Array, but the
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	38 // big plus is that dim_vector requires only one allocation instead of
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	39 // two. It is (slightly) patterned after GCC's basic_string
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	40 // implementation. rep is a pointer to an array of memory, comprising
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	41 // count, length, and the data:
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	42 //
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	43 // <count>
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	44 // <ndims>
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	45 // rep --> <dims[0]>
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	46 // <dims[1]>
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	47 // ...
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	48 //
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	49 // The inlines count(), ndims() recover this data from the rep. Note
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	50 // that rep points to the beginning of dims to grant faster access
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	51 // (reinterpret_cast is assumed to be an inexpensive operation).
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	52
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	53 class
11173 298a75c128ad Additional exported symbols [MSVC] Michael Goffioul <michael.goffioul@gmail.com> parents: 10830 diff changeset	54 OCTAVE_API
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	55 dim_vector
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	56 {
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	57 private:
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	58
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	59 octave_idx_type *rep;
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	60
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	61 octave_idx_type& ndims (void) const { return rep[-1]; }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	62
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	63 octave_idx_type& count (void) const { return rep[-2]; }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	64
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	65 // Construct a new rep with count = 1 and ndims given.
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	66
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	67 static octave_idx_type *newrep (int ndims)
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	68 {
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 14951 diff changeset	69 octave_idx_type *r = new octave_idx_type [ndims + 2];
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	70
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	71 *r++ = 1;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	72 *r++ = ndims;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	73
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	74 return r;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	75 }
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	76
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	77 // Clone this->rep.
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	78
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	79 octave_idx_type *clonerep (void)
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	80 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	81 int l = ndims ();
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	82
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 14951 diff changeset	83 octave_idx_type *r = new octave_idx_type [l + 2];
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	84
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	85 *r++ = 1;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	86 *r++ = l;
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	87
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	88 for (int i = 0; i < l; i++)
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	89 r[i] = rep[i];
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	90
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	91 return r;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	92 }
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	93
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	94 // Clone and resize this->rep to length n, filling by given value.
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	95
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	96 octave_idx_type *resizerep (int n, octave_idx_type fill_value)
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	97 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	98 int l = ndims ();
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	99
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	100 if (n < 2)
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	101 n = 2;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	102
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 14951 diff changeset	103 octave_idx_type *r = new octave_idx_type [n + 2];
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	104
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	105 *r++ = 1;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	106 *r++ = n;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	107
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	108 if (l > n)
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	109 l = n;
4673 6639c2574023 [project @ 2003-12-10 16:11:54 by jwe] jwe parents: 4655 diff changeset	110
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	111 int j;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	112 for (j = 0; j < l; j++)
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	113 r[j] = rep[j];
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	114 for (; j < n; j++)
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	115 r[j] = fill_value;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	116
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	117 return r;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	118 }
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	119
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	120 // Free the rep.
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	121
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	122 void freerep (void)
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	123 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	124 assert (count () == 0);
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	125 delete [] (rep - 2);
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	126 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7017 diff changeset	127
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	128 void make_unique (void)
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	129 {
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	130 if (count () > 1)
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	131 {
14445 b50654a09ba7 maint: untabify sources John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	132 octave_idx_type *new_rep = clonerep ();
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	133
14445 b50654a09ba7 maint: untabify sources John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	134 if (OCTREFCOUNT_ATOMIC_DECREMENT(&(count())) == 0)
b50654a09ba7 maint: untabify sources John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	135 freerep ();
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	136
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	137 rep = new_rep;
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	138 }
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	139 }
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	140
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	141 public:
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	142
10420 3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	143 // The constructor
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	144 //
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	145 // dim_vector (n)
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	146 //
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	147 // creates an dimension vector with N rows and 1 column. It is
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	148 // deprecated because of the potentiol for confusion that it causes.
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	149 // Additional constructors of the form
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	150 //
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	151 // dim_vector (r, c)
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	152 // dim_vector (r, c, p)
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	153 // dim_vector (d1, d2, d3, d4, ...)
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	154 //
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	155 // are available for up to 7 dimensions.
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	156
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	157 explicit dim_vector (octave_idx_type n) GCC_ATTR_DEPRECATED
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	158 : rep (newrep (2))
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	159 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	160 rep[0] = n;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	161 rep[1] = 1;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	162 }
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	163
10419 afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	164 #define ASSIGN_REP(i) rep[i] = d ## i;
afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	165 #define DIM_VECTOR_CTOR(N) \
10420 3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	166 dim_vector (OCT_MAKE_DECL_LIST (octave_idx_type, d, N)) \
10419 afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	167 : rep (newrep (N)) \
afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	168 { \
10420 3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	169 OCT_ITERATE_MACRO (ASSIGN_REP, N) \
10418 6c19d6fcd7e5 up to 7th-order dim_vector constructors Jaroslav Hajek <highegg@gmail.com> parents: 10403 diff changeset	170 }
10419 afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	171
afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	172 // Add more if needed.
10420 3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	173 DIM_VECTOR_CTOR (2)
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	174 DIM_VECTOR_CTOR (3)
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	175 DIM_VECTOR_CTOR (4)
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	176 DIM_VECTOR_CTOR (5)
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	177 DIM_VECTOR_CTOR (6)
3373fdc0b14a use macro for 2 and 3 arg dim_vector constructors John W. Eaton <jwe@octave.org> parents: 10419 diff changeset	178 DIM_VECTOR_CTOR (7)
10419 afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	179
afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	180 #undef ASSIGN_REP
afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	181 #undef DIM_VECTOR_CTOR
afe44ee90cbd implement generic macro magic for repeated decls Jaroslav Hajek <highegg@gmail.com> parents: 10418 diff changeset	182
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	183 octave_idx_type& elem (int i)
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	184 {
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	185 #ifdef BOUNDS_CHECKING
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	186 assert (i >= 0 && i < ndims ());
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	187 #endif
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	188 make_unique ();
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	189 return rep[i];
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	190 }
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	191
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	192 octave_idx_type elem (int i) const
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	193 {
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	194 #ifdef BOUNDS_CHECKING
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	195 assert (i >= 0 && i < ndims ());
10366 e5ae13b8b2c2 improve Array indexing error messages Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	196 #endif
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	197 return rep[i];
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	198 }
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	199
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	200 void chop_trailing_singletons (void)
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	201 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	202 int l = ndims ();
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	203 if (l > 2 && rep[l-1] == 1)
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	204 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	205 make_unique ();
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	206 do
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	207 l--;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	208 while (l > 2 && rep[l-1] == 1);
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	209 ndims () = l;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	210 }
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	211 }
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	212
10681 0ba9bd294421 make cat() (hopefully) more matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10645 diff changeset	213 void chop_all_singletons (void);
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	214
14951 4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	215 // WARNING: Only call by jit
4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	216 octave_idx_type *to_jit (void) const
4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	217 {
4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	218 return rep;
4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	219 }
4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	220
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	221 private:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	222
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	223 static octave_idx_type *nil_rep (void)
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	224 {
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	225 static dim_vector zv (0, 0);
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	226 return zv.rep;
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	227 }
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	228
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	229 public:
b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	230
10830 b4ebfd675321 avoid static initialization disaster in dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 10810 diff changeset	231 static octave_idx_type dim_max (void);
10810 6683f0c9d742 make the maximum extent externally accessible Jaroslav Hajek <highegg@gmail.com> parents: 10715 diff changeset	232
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	233 explicit dim_vector (void) : rep (nil_rep ())
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	234 { OCTREFCOUNT_ATOMIC_INCREMENT (&(count())); }
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	235
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	236 dim_vector (const dim_vector& dv) : rep (dv.rep)
43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	237 { OCTREFCOUNT_ATOMIC_INCREMENT (&(count())); }
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	238
14951 4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	239 // FIXME: Should be private, but required by array constructor for jit
4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	240 explicit dim_vector (octave_idx_type *r)
4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	241 : rep (r) { }
4c9fd3e31436 Start of jit support for double matricies Max Brister <max@2bass.com> parents: 14625 diff changeset	242
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	243 static dim_vector alloc (int n)
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	244 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	245 return dim_vector (newrep (n < 2 ? 2 : n));
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	246 }
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	247
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	248 dim_vector& operator = (const dim_vector& dv)
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	249 {
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	250 if (&dv != this)
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	251 {
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	252 if (OCTREFCOUNT_ATOMIC_DECREMENT (&(count())) == 0)
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	253 freerep ();
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	254
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	255 rep = dv.rep;
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	256 OCTREFCOUNT_ATOMIC_INCREMENT (&(count()));
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	257 }
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	258
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	259 return *this;
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	260 }
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	261
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	262 ~dim_vector (void)
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	263 {
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	264 if (OCTREFCOUNT_ATOMIC_DECREMENT (&(count())) == 0)
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	265 freerep ();
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	266 }
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	267
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	268 int length (void) const { return ndims (); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	269
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	270 octave_idx_type& operator () (int i) { return elem (i); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	271
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	272 octave_idx_type operator () (int i) const { return elem (i); }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	273
4887 bbddd4339cf2 [project @ 2004-04-30 17:08:55 by jwe] jwe parents: 4735 diff changeset	274 void resize (int n, int fill_value = 0)
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	275 {
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	276 int len = length ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	277
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	278 if (n != len)
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	279 {
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	280 octave_idx_type *r = resizerep (n, fill_value);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	281
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 11586 diff changeset	282 if (OCTREFCOUNT_ATOMIC_DECREMENT (&(count())) == 0)
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	283 freerep ();
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	284
9507 b096d11237be dim_vector improvements Jaroslav Hajek <highegg@gmail.com> parents: 9420 diff changeset	285 rep = r;
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	286 }
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	287 }
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	288
10681 0ba9bd294421 make cat() (hopefully) more matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10645 diff changeset	289 std::string str (char sep = 'x') const;
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	290
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	291 bool all_zero (void) const
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	292 {
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	293 bool retval = true;
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	294
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	295 for (int i = 0; i < length (); i++)
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	296 {
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	297 if (elem (i) != 0)
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	298 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	299 retval = false;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	300 break;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	301 }
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	302 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	303
4548 820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	304 return retval;
820323598f4f [project @ 2003-10-26 03:16:42 by jwe] jwe parents: 4543 diff changeset	305 }
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	306
10715 53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	307 bool empty_2d (void) const
53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	308 {
53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	309 return length () == 2 && (elem (0) == 0 \|\| elem (1) == 0);
53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	310 }
53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	311
53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	312
9886 cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 9840 diff changeset	313 bool zero_by_zero (void) const
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 9840 diff changeset	314 {
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 9840 diff changeset	315 return length () == 2 && elem (0) == 0 && elem (1) == 0;
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 9840 diff changeset	316 }
cddd5c3d5f04 fix & extend special-case optimizations for indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 9840 diff changeset	317
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	318 bool any_zero (void) const
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	319 {
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	320 bool retval = false;
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	321
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	322 for (int i = 0; i < length (); i++)
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	323 {
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	324 if (elem (i) == 0)
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	325 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	326 retval = true;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	327 break;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	328 }
4559 802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	329 }
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	330
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	331 return retval;
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe] jwe parents: 4548 diff changeset	332 }
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	333
10681 0ba9bd294421 make cat() (hopefully) more matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10645 diff changeset	334 int num_ones (void) const;
4635 f2cd320cbf6e [project @ 2003-11-20 01:48:23 by jwe] jwe parents: 4567 diff changeset	335
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	336 bool all_ones (void) const
4655 c8829691db47 [project @ 2003-11-24 21:24:37 by jwe] jwe parents: 4635 diff changeset	337 {
c8829691db47 [project @ 2003-11-24 21:24:37 by jwe] jwe parents: 4635 diff changeset	338 return (num_ones () == length ());
c8829691db47 [project @ 2003-11-24 21:24:37 by jwe] jwe parents: 4635 diff changeset	339 }
c8829691db47 [project @ 2003-11-24 21:24:37 by jwe] jwe parents: 4635 diff changeset	340
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	341 // Return the number of elements that a matrix with this dimension
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	342 // vector would have, NOT the number of dimensions (elements in the
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	343 // dimension vector).
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	344
9027 9a46ba093db4 generalize dim_vector::numel Jaroslav Hajek <highegg@gmail.com> parents: 8950 diff changeset	345 octave_idx_type numel (int n = 0) const
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	346 {
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	347 int n_dims = length ();
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	348
9027 9a46ba093db4 generalize dim_vector::numel Jaroslav Hajek <highegg@gmail.com> parents: 8950 diff changeset	349 octave_idx_type retval = 1;
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	350
9027 9a46ba093db4 generalize dim_vector::numel Jaroslav Hajek <highegg@gmail.com> parents: 8950 diff changeset	351 for (int i = n; i < n_dims; i++)
4567 fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	352 retval *= elem (i);
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	353
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	354 return retval;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe] jwe parents: 4565 diff changeset	355 }
4673 6639c2574023 [project @ 2003-12-10 16:11:54 by jwe] jwe parents: 4655 diff changeset	356
9840 c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	357 // The following function will throw a std::bad_alloc ()
c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	358 // exception if the requested size is larger than can be indexed by
c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	359 // octave_idx_type. This may be smaller than the actual amount of
c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	360 // memory that can be safely allocated on a system. However, if we
c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	361 // don't fail here, we can end up with a mysterious crash inside a
c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	362 // function that is iterating over an array using octave_idx_type
c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	363 // indices.
c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	364
10681 0ba9bd294421 make cat() (hopefully) more matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10645 diff changeset	365 octave_idx_type safe_numel (void) const;
9840 c0b54271904b improve safe numel() calculation for arrays Jaroslav Hajek <highegg@gmail.com> parents: 9743 diff changeset	366
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7017 diff changeset	367 bool any_neg (void) const
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7017 diff changeset	368 {
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	369 int n_dims = length ();
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	370 int i;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	371
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7017 diff changeset	372 for (i = 0; i < n_dims; i++)
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	373 if (elem (i) < 0)
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	374 break;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	375
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7017 diff changeset	376 return i < n_dims;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7017 diff changeset	377 }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7017 diff changeset	378
10681 0ba9bd294421 make cat() (hopefully) more matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10645 diff changeset	379 dim_vector squeeze (void) const;
10498 8615b55b5caf fix & improve cat (bug #29465) Jaroslav Hajek <highegg@gmail.com> parents: 10420 diff changeset	380
10715 53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	381 // This corresponds to cat().
53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	382 bool concat (const dim_vector& dvb, int dim);
53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	383
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	384 // This corresponds to [,] (horzcat, dim = 0) and [;] (vertcat, dim = 1).
10715 53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	385 // The rules are more relaxed here.
53253f796351 make [] (hopefully) more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10681 diff changeset	386 bool hvcat (const dim_vector& dvb, int dim);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7017 diff changeset	387
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	388 // Force certain dimensionality, preserving numel (). Missing
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	389 // dimensions are set to 1, redundant are folded into the trailing
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	390 // one. If n = 1, the result is 2d and the second dim is 1
14624 edf9ca8a92a8 when redimensioning, always pad dim_vector objects with 1 (bug #33216) John W. Eaton <jwe@octave.org> parents: 14138 diff changeset	391 // (dim_vectors are always at least 2D).
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	392
10681 0ba9bd294421 make cat() (hopefully) more matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10645 diff changeset	393 dim_vector redim (int n) const;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	394
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	395 dim_vector as_column (void) const
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	396 {
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	397 if (length () == 2 && elem (1) == 1)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	398 return *this;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	399 else
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	400 return dim_vector (numel (), 1);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	401 }
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	402
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	403 dim_vector as_row (void) const
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	404 {
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	405 if (length () == 2 && elem (0) == 1)
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	406 return *this;
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	407 else
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	408 return dim_vector (1, numel ());
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	409 }
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10150 diff changeset	410
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	411 bool is_vector (void) const
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	412 {
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	413 return (length () == 2 && (elem (0) == 1 \|\| elem (1) == 1));
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	414 }
e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	415
9511 cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	416 int first_non_singleton (int def = 0) const
cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	417 {
cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	418 for (int i = 0; i < length (); i++)
cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	419 {
cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	420 if (elem (i) != 1)
cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	421 return i;
cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	422 }
cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	423
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	424 return def;
9511 cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	425 }
cc1fd3084cb2 implement dim_vector::first_non_singleton Jaroslav Hajek <highegg@gmail.com> parents: 9507 diff changeset	426
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	427 // Compute a linear index from an index tuple.
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	428
10645 8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	429 octave_idx_type compute_index (const octave_idx_type *idx) const
9739 13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	430 {
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	431 octave_idx_type k = 0;
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9739 diff changeset	432 for (int i = length () - 1; i >= 0; i--)
9739 13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	433 k = k * rep[i] + idx[i];
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	434
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	435 return k;
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	436 }
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	437
10645 8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	438 // Ditto, but the tuple may be incomplete (nidx < length ()).
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	439
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	440 octave_idx_type compute_index (const octave_idx_type *idx, int nidx) const
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	441 {
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	442 octave_idx_type k = 0;
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	443 for (int i = nidx - 1; i >= 0; i--)
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	444 k = k * rep[i] + idx[i];
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	445
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	446 return k;
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	447 }
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	448
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	449 // Increment a multi-dimensional index tuple, optionally starting
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	450 // from an offset position and return the index of the last index
9739 13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	451 // position that was changed, or length () if just cycled over.
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	452
10645 8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	453 int increment_index (octave_idx_type *idx, int start = 0) const
9739 13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	454 {
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	455 int i;
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	456 for (i = start; i < length (); i++)
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	457 {
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	458 if (++(*idx) == rep[i])
9743 26abff55f6fe optimize bsxfun for common built-in operations Jaroslav Hajek <highegg@gmail.com> parents: 9739 diff changeset	459 *idx++ = 0;
9739 13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	460 else
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	461 break;
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	462 }
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	463 return i;
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	464 }
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	465
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	466 // Return cumulative dimensions.
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	467
9739 13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	468 dim_vector cumulative (void) const
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	469 {
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	470 int nd = length ();
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	471 dim_vector retval = alloc (nd);
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	472
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	473 octave_idx_type k = 1;
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	474 for (int i = 0; i < nd; i++)
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	475 retval.rep[i] = k *= rep[i];
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	476
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	477 return retval;
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	478 }
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	479
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	480 // Compute a linear index from an index tuple. Dimensions are
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	481 // required to be cumulative.
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	482
10645 8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations) Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	483 octave_idx_type cum_compute_index (const octave_idx_type *idx) const
9739 13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	484 {
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	485 octave_idx_type k = idx[0];
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	486
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	487 for (int i = 1; i < length (); i++)
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	488 k += rep[i-1] * idx[i];
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	489
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	490 return k;
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	491 }
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	492
13b57eec9440 a few handy methods for dim_vector Jaroslav Hajek <highegg@gmail.com> parents: 9694 diff changeset	493
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 9666 diff changeset	494 friend bool operator == (const dim_vector& a, const dim_vector& b);
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	495 };
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	496
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 9666 diff changeset	497 inline bool
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	498 operator == (const dim_vector& a, const dim_vector& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	499 {
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 9666 diff changeset	500 // Fast case.
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 9666 diff changeset	501 if (a.rep == b.rep)
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 9666 diff changeset	502 return true;
50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 9666 diff changeset	503
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	504 bool retval = true;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	505
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	506 int a_len = a.length ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	507 int b_len = b.length ();
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	508
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	509 if (a_len != b_len)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	510 retval = false;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	511 else
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	512 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	513 for (int i = 0; i < a_len; i++)
10150 3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	514 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	515 if (a(i) != b(i))
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	516 {
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	517 retval = false;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	518 break;
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	519 }
3778ea95adea style fixes John W. Eaton <jwe@octave.org> parents: 10095 diff changeset	520 }
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	521 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	522
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	523 return retval;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	524 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	525
9694 50db3c5175b5 allow unpacked form of LU Jaroslav Hajek <highegg@gmail.com> parents: 9666 diff changeset	526 inline bool
4543 79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	527 operator != (const dim_vector& a, const dim_vector& b)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	528 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	529 return ! operator == (a, b);
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	530 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe] jwe parents: 4532 diff changeset	531
4513 508238e65af7 [project @ 2003-09-19 21:40:57 by jwe] jwe parents: diff changeset	532 #endif

Mercurial > hg > octave-lyh

annotate liboctave/array/dim-vector.h @ 17535:c12c688a35ed default tip lyh