octave: liboctave/array/idx-vector.h annotate

annotate liboctave/array/idx-vector.h @ 27923:bd51beb6205e

update formatting of copyright notices * Use <https://octave.org/copyright/> instead of <https://octave.org/COPYRIGHT.html/>. * For consistency with other comments in the Octave sources, use C++-style comments for copyright blocks in C and C++ files. * Use delimiters above and below copyright blocks that are appropriate for the language used in the file. * Eliminate extra spacing inside copyright blocks. * lex.ll (looks_like_copyright): Also allow newlines and carriage returns before the word "Copyright". * scripts/mk-doc.pl (gethelp): Also skip empty comment lines. * bp-table.cc, type.m: Adjust tests.

author	John W. Eaton <jwe@octave.org>
date	Wed, 08 Jan 2020 11:59:41 -0500
parents	1891570abac8
children	98192ec1621f 02f0649f43d7

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	3 // Copyright (C) 1993-2020 The Octave Project Developers
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	25
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 19697 diff changeset	26 #if ! defined (octave_idx_vector_h)
383 0b52c68ec81f [project @ 1994-03-09 21:19:44 by jwe] jwe parents: 240 diff changeset	27 #define octave_idx_vector_h 1
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	28
21244 1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21229 diff changeset	29 #include "octave-config.h"
1473547f50f5 include octave-config.h in public header files John W. Eaton <jwe@octave.org> parents: 21229 diff changeset	30
8950 d865363208d6 include <iosfwd> instead of <iostream> in header files John W. Eaton <jwe@octave.org> parents: 8934 diff changeset	31 #include <cassert>
19381 af41e41ad28e replace oct-mem.h inline indirections by standard function calls. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 18084 diff changeset	32 #include <cstring>
8950 d865363208d6 include <iosfwd> instead of <iostream> in header files John W. Eaton <jwe@octave.org> parents: 8934 diff changeset	33
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	34 #include <algorithm>
8950 d865363208d6 include <iosfwd> instead of <iostream> in header files John W. Eaton <jwe@octave.org> parents: 8934 diff changeset	35 #include <iosfwd>
13735 2cd903770748 Fix broken gcc compilation due to changeset d13b6086aea9. Michael Goffioul <michael.goffioul@gmail.com> parents: 13729 diff changeset	36 #include <memory>
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3145 diff changeset	37
4653 14ab7b05a572 [project @ 2003-11-24 05:02:46 by jwe] jwe parents: 4650 diff changeset	38 #include "dim-vector.h"
21785 c9f8a7f7915e use forward declarations instead of including oct-inttypes.h where possible John W. Eaton <jwe@octave.org> parents: 21751 diff changeset	39 #include "oct-inttypes-fwd.h"
12125 a21a3875ca83 implement a common class for reference counts Jaroslav Hajek <highegg@gmail.com> parents: 11586 diff changeset	40 #include "oct-refcount.h"
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	41
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	42 template <typename T> class Array;
538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	43 template <typename T> class Sparse;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	44 class Range;
4504 f6a61399bc5c [project @ 2003-09-09 17:48:00 by jwe] jwe parents: 4461 diff changeset	45
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	46 // Design rationale:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	47 // idx_vector is a reference-counting, polymorphic pointer, that can contain
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	48 // 4 types of index objects: a magic colon, a range, a scalar, or an index vector.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	49 // Polymorphic methods for single element access are provided, as well as
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	50 // templates implementing "early dispatch", i.e., hoisting the checks for index
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	51 // type out of loops.
164 e2c950dd96d2 [project @ 1993-10-18 19:32:00 by jwe] jwe parents: 1 diff changeset	52
453 393e95f46b51 [project @ 1994-06-06 00:05:20 by jwe] jwe parents: 434 diff changeset	53 class
6108 143b556ce725 [project @ 2006-10-27 01:45:54 by jwe] jwe parents: 5781 diff changeset	54 OCTAVE_API
453 393e95f46b51 [project @ 1994-06-06 00:05:20 by jwe] jwe parents: 434 diff changeset	55 idx_vector
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	56 {
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	57 public:
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	58
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	59 enum idx_class_type
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	60 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	61 class_invalid = -1,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	62 class_colon = 0,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	63 class_range,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	64 class_scalar,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	65 class_vector,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	66 class_mask
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	67 };
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	68
21326 9a49c83cb360 Fix declaration of template friend class std::unique_ptr Mike Miller <mtmiller@octave.org> parents: 21307 diff changeset	69 template <typename T, typename D> friend class std::unique_ptr;
13729 d13b6086aea9 Make std::auto_ptr friend of idx_vector to allow access to private class idx_vector_rep. Michael Goffioul <michael.goffioul@gmail.com> parents: 12125 diff changeset	70
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	71 private:
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	72
8319 c374691576f6 Fix for MSVC compilation Michael Goffioul <michael.goffioul@gmail.com> parents: 8298 diff changeset	73 class OCTAVE_API idx_base_rep
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	74 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	75 public:
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	76
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	77 idx_base_rep (void) : count (1), err (false) { }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	78
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	79 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	80
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	81 idx_base_rep (const idx_base_rep&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	82
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	83 idx_base_rep& operator = (const idx_base_rep&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	84
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	85 virtual ~idx_base_rep (void) = default;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	86
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	87 // Non-range-checking element query.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	88 virtual octave_idx_type xelem (octave_idx_type i) const = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	89
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	90 // Range-checking element query.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	91 virtual octave_idx_type checkelem (octave_idx_type i) const = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	92
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	93 // Length of the index vector.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	94 virtual octave_idx_type length (octave_idx_type n) const = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	95
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	96 // The maximum index + 1. The actual dimension is passed in.
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	97 virtual octave_idx_type extent (octave_idx_type n) const = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	98
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	99 // Index class.
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	100 virtual idx_class_type idx_class (void) const { return class_invalid; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	101
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	102 // Sorts, maybe uniqifies, and returns a clone object pointer.
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	103 virtual idx_base_rep * sort_uniq_clone (bool uniq = false) = 0;
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	104 // Sorts, and returns a sorting permutation (aka Array::sort).
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	105 virtual idx_base_rep * sort_idx (Array<octave_idx_type>&) = 0;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	106
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	107 // Checks whether the index is colon or a range equivalent to colon.
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	108 virtual bool is_colon_equiv (octave_idx_type) const { return false; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	109
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	110 // The original dimensions of object (used when subscribing by matrices).
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	111 virtual dim_vector orig_dimensions (void) const { return dim_vector (); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	112
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	113 // i/o
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	114 virtual std::ostream& print (std::ostream& os) const = 0;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	115
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	116 virtual Array<octave_idx_type> as_array (void);
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	117
27446 c23aee2104de consistently use octave_idx_type for reference counts John W. Eaton <jwe@octave.org> parents: 26377 diff changeset	118 octave::refcount<octave_idx_type> count;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	119
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	120 bool err;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	121 };
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	122
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	123 // The magic colon index.
8319 c374691576f6 Fix for MSVC compilation Michael Goffioul <michael.goffioul@gmail.com> parents: 8298 diff changeset	124 class OCTAVE_API idx_colon_rep : public idx_base_rep
1879 1b43d3c06c04 [project @ 1996-02-05 16:24:56 by jwe] jwe parents: 1560 diff changeset	125 {
1b43d3c06c04 [project @ 1996-02-05 16:24:56 by jwe] jwe parents: 1560 diff changeset	126 public:
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	127
e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	128 idx_colon_rep (void) = default;
1879 1b43d3c06c04 [project @ 1996-02-05 16:24:56 by jwe] jwe parents: 1560 diff changeset	129
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	130 idx_colon_rep (char c);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	131
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	132 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	133
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	134 idx_colon_rep (const idx_colon_rep& idx) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	135
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	136 idx_colon_rep& operator = (const idx_colon_rep& idx) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	137
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	138 octave_idx_type xelem (octave_idx_type i) const { return i; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	139
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	140 octave_idx_type checkelem (octave_idx_type i) const;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	141
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	142 octave_idx_type length (octave_idx_type n) const { return n; }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	143
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	144 octave_idx_type extent (octave_idx_type n) const { return n; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	145
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	146 idx_class_type idx_class (void) const { return class_colon; }
1879 1b43d3c06c04 [project @ 1996-02-05 16:24:56 by jwe] jwe parents: 1560 diff changeset	147
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	148 idx_base_rep * sort_uniq_clone (bool = false)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	149 { count++; return this; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	150
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	151 OCTAVE_NORETURN idx_base_rep * sort_idx (Array<octave_idx_type>&);
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	152
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	153 bool is_colon_equiv (octave_idx_type) const { return true; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	154
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	155 std::ostream& print (std::ostream& os) const;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	156 };
2386 4fc9fd1424a9 [project @ 1996-10-12 18:31:34 by jwe] jwe parents: 2356 diff changeset	157
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	158 // To distinguish the "direct" constructors that blindly trust the data.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	159 enum direct { DIRECT };
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2802 diff changeset	160
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	161 // The integer range index.
8319 c374691576f6 Fix for MSVC compilation Michael Goffioul <michael.goffioul@gmail.com> parents: 8298 diff changeset	162 class OCTAVE_API idx_range_rep : public idx_base_rep
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	163 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	164 public:
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	165
e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	166 idx_range_rep (void) = delete;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	167
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	168 idx_range_rep (octave_idx_type _start, octave_idx_type _len,
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	169 octave_idx_type _step, direct)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	170 : idx_base_rep (), start(_start), len(_len), step(_step) { }
4938 703d97b89507 [project @ 2004-08-09 20:21:59 by jwe] jwe parents: 4653 diff changeset	171
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	172 // Zero-based constructor.
e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	173 idx_range_rep (octave_idx_type _start, octave_idx_type _limit,
e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	174 octave_idx_type _step);
e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	175
e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	176 idx_range_rep (const Range&);
e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	177
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	178 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	179
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	180 idx_range_rep (const idx_range_rep& idx) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	181
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	182 idx_range_rep& operator = (const idx_range_rep& idx) = delete;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	183
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	184 octave_idx_type xelem (octave_idx_type i) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	185 { return start + i * step; }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	186
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	187 octave_idx_type checkelem (octave_idx_type i) const;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	188
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	189 octave_idx_type length (octave_idx_type) const { return len; }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	190
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	191 octave_idx_type extent (octave_idx_type n) const
22402 4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22323 diff changeset	192 {
4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22323 diff changeset	193 return len ? std::max (n, start + 1 + (step < 0 ? 0 : step * (len - 1)))
4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22323 diff changeset	194 : n;
4caa7b28d183 maint: Style check C++ code in liboctave/ Rik <rik@octave.org> parents: 22323 diff changeset	195 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	196
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	197 idx_class_type idx_class (void) const { return class_range; }
1879 1b43d3c06c04 [project @ 1996-02-05 16:24:56 by jwe] jwe parents: 1560 diff changeset	198
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	199 idx_base_rep * sort_uniq_clone (bool uniq = false);
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	200
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	201 idx_base_rep * sort_idx (Array<octave_idx_type>&);
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	202
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	203 bool is_colon_equiv (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	204 { return start == 0 && step == 1 && len == n; }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	205
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	206 dim_vector orig_dimensions (void) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	207 { return dim_vector (1, len); }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	208
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	209 octave_idx_type get_start (void) const { return start; }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	210
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	211 octave_idx_type get_step (void) const { return step; }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	212
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 3503 diff changeset	213 std::ostream& print (std::ostream& os) const;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	214
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	215 Range unconvert (void) const;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	216
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	217 Array<octave_idx_type> as_array (void);
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	218
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	219 private:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	220
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	221 octave_idx_type start, len, step;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	222 };
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	223
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	224 // The integer scalar index.
8319 c374691576f6 Fix for MSVC compilation Michael Goffioul <michael.goffioul@gmail.com> parents: 8298 diff changeset	225 class OCTAVE_API idx_scalar_rep : public idx_base_rep
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	226 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	227 public:
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	228
e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	229 idx_scalar_rep (void) = delete;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	230
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	231 idx_scalar_rep (octave_idx_type i, direct)
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	232 : idx_base_rep (), data (i) { }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	233
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	234 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	235
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	236 idx_scalar_rep (const idx_scalar_rep& idx) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	237
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	238 idx_scalar_rep& operator = (const idx_scalar_rep& idx) = delete;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	239
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	240 // Zero-based constructor.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	241 idx_scalar_rep (octave_idx_type i);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	242
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	243 template <typename T>
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	244 idx_scalar_rep (T x);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	245
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	246 octave_idx_type xelem (octave_idx_type) const { return data; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	247
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	248 octave_idx_type checkelem (octave_idx_type i) const;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	249
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	250 octave_idx_type length (octave_idx_type) const { return 1; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	251
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	252 octave_idx_type extent (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	253 { return std::max (n, data + 1); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	254
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	255 idx_class_type idx_class (void) const { return class_scalar; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	256
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	257 idx_base_rep * sort_uniq_clone (bool = false)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	258 { count++; return this; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	259
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	260 idx_base_rep * sort_idx (Array<octave_idx_type>&);
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	261
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	262 bool is_colon_equiv (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	263 { return n == 1 && data == 0; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	264
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	265 dim_vector orig_dimensions (void) const { return dim_vector (1, 1); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	266
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	267 octave_idx_type get_data (void) const { return data; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	268
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	269 std::ostream& print (std::ostream& os) const;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	270
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	271 double unconvert (void) const;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	272
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	273 Array<octave_idx_type> as_array (void);
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	274
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	275 private:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	276
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	277 octave_idx_type data;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	278 };
4504 f6a61399bc5c [project @ 2003-09-09 17:48:00 by jwe] jwe parents: 4461 diff changeset	279
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	280 // The integer vector index.
8319 c374691576f6 Fix for MSVC compilation Michael Goffioul <michael.goffioul@gmail.com> parents: 8298 diff changeset	281 class OCTAVE_API idx_vector_rep : public idx_base_rep
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	282 {
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	283 public:
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	284
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	285 idx_vector_rep (void)
23796 4f12819a634f Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23795 diff changeset	286 : data (nullptr), len (0), ext (0), aowner (nullptr), orig_dims ()
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	287 { }
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	288
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	289 // Direct constructor.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	290 idx_vector_rep (octave_idx_type *_data, octave_idx_type _len,
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	291 octave_idx_type _ext, const dim_vector& od, direct)
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	292 : idx_base_rep (), data (_data), len (_len), ext (_ext),
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23615 diff changeset	293 aowner (nullptr), orig_dims (od)
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	294 { }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	295
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	296 // Zero-based constructor.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	297 idx_vector_rep (const Array<octave_idx_type>& inda);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	298
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10273 diff changeset	299 idx_vector_rep (const Array<octave_idx_type>& inda,
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10273 diff changeset	300 octave_idx_type _ext, direct);
22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10273 diff changeset	301
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	302 template <typename T>
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	303 idx_vector_rep (const Array<T>&);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	304
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	305 idx_vector_rep (bool);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	306
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	307 idx_vector_rep (const Array<bool>&, octave_idx_type = -1);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	308
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	309 idx_vector_rep (const Sparse<bool>&);
a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	310
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	311 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	312
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	313 idx_vector_rep (const idx_vector_rep& idx) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	314
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	315 idx_vector_rep& operator = (const idx_vector_rep& idx) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	316
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	317 ~idx_vector_rep (void);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	318
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	319 octave_idx_type xelem (octave_idx_type i) const { return data[i]; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	320
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	321 octave_idx_type checkelem (octave_idx_type i) const;
4653 14ab7b05a572 [project @ 2003-11-24 05:02:46 by jwe] jwe parents: 4650 diff changeset	322
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	323 octave_idx_type length (octave_idx_type) const { return len; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	324
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	325 octave_idx_type extent (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	326 { return std::max (n, ext); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	327
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	328 idx_class_type idx_class (void) const { return class_vector; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	329
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	330 idx_base_rep * sort_uniq_clone (bool uniq = false);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	331
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	332 idx_base_rep * sort_idx (Array<octave_idx_type>&);
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	333
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	334 dim_vector orig_dimensions (void) const { return orig_dims; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	335
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	336 const octave_idx_type * get_data (void) const { return data; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	337
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	338 std::ostream& print (std::ostream& os) const;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	339
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	340 Array<double> unconvert (void) const;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	341
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	342 Array<octave_idx_type> as_array (void);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	343
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	344 private:
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	345
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	346 const octave_idx_type *data;
11503 b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes John W. Eaton <jwe@octave.org> parents: 10516 diff changeset	347 octave_idx_type len;
b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes John W. Eaton <jwe@octave.org> parents: 10516 diff changeset	348 octave_idx_type ext;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	349
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	350 // This is a trick to allow user-given zero-based arrays to be used
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	351 // as indices without copying. If the following pointer is nonzero,
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	352 // we do not own the data, but rather have an Array<octave_idx_type>
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	353 // object that provides us the data. Note that we need a pointer
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	354 // because we deferred the Array<T> declaration and we do not want
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	355 // it yet to be defined.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	356
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	357 Array<octave_idx_type> *aowner;
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	358
4653 14ab7b05a572 [project @ 2003-11-24 05:02:46 by jwe] jwe parents: 4650 diff changeset	359 dim_vector orig_dims;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	360 };
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	361
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	362 // The logical mask index.
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	363 class OCTAVE_API idx_mask_rep : public idx_base_rep
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	364 {
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	365 public:
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	366
e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	367 idx_mask_rep (void) = delete;
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	368
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	369 // Direct constructor.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	370 idx_mask_rep (bool *_data, octave_idx_type _len,
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	371 octave_idx_type _ext, const dim_vector& od, direct)
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	372 : idx_base_rep (), data (_data), len (_len), ext (_ext),
23795 980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565). Rik <rik@octave.org> parents: 23615 diff changeset	373 lsti (-1), lste (-1), aowner (nullptr), orig_dims (od)
23401 e0c20a22da7e eliminate some errors exposed by -fsanitize=undefined John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	374 { }
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	375
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	376 idx_mask_rep (bool);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	377
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	378 idx_mask_rep (const Array<bool>&, octave_idx_type = -1);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	379
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	380 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	381
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	382 idx_mask_rep (const idx_mask_rep& idx) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	383
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	384 idx_mask_rep& operator = (const idx_mask_rep& idx) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	385
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	386 ~idx_mask_rep (void);
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	387
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	388 octave_idx_type xelem (octave_idx_type i) const;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	389
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	390 octave_idx_type checkelem (octave_idx_type i) const;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	391
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	392 octave_idx_type length (octave_idx_type) const { return len; }
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	393
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	394 octave_idx_type extent (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	395 { return std::max (n, ext); }
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	396
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	397 idx_class_type idx_class (void) const { return class_mask; }
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	398
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	399 idx_base_rep * sort_uniq_clone (bool = false)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	400 { count++; return this; }
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	401
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	402 idx_base_rep * sort_idx (Array<octave_idx_type>&);
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	403
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	404 dim_vector orig_dimensions (void) const { return orig_dims; }
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	405
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	406 bool is_colon_equiv (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	407 { return len == n && ext == n; }
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	408
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	409 const bool * get_data (void) const { return data; }
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	410
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	411 std::ostream& print (std::ostream& os) const;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	412
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	413 Array<bool> unconvert (void) const;
83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	414
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10339 diff changeset	415 Array<octave_idx_type> as_array (void);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	416
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	417 private:
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	418
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	419 const bool *data;
11503 b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes John W. Eaton <jwe@octave.org> parents: 10516 diff changeset	420 octave_idx_type len;
b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes John W. Eaton <jwe@octave.org> parents: 10516 diff changeset	421 octave_idx_type ext;
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	422
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	423 // FIXME: I'm not sure if this is a good design. Maybe it would be
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	424 // better to employ some sort of generalized iteration scheme.
11503 b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes John W. Eaton <jwe@octave.org> parents: 10516 diff changeset	425 mutable octave_idx_type lsti;
b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes John W. Eaton <jwe@octave.org> parents: 10516 diff changeset	426 mutable octave_idx_type lste;
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	427
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	428 // This is a trick to allow user-given mask arrays to be used as
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	429 // indices without copying. If the following pointer is nonzero, we
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	430 // do not own the data, but rather have an Array<bool> object that
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	431 // provides us the data. Note that we need a pointer because we
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	432 // deferred the Array<T> declaration and we do not want it yet to be
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	433 // defined.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	434
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	435 Array<bool> *aowner;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	436
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	437 dim_vector orig_dims;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	438 };
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	439
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	440 idx_vector (idx_base_rep *r) : rep (r) { }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	441
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	442 // The shared empty vector representation (for fast default
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	443 // constructor).
21573 f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372) John W. Eaton <jwe@octave.org> parents: 19697 diff changeset	444 static idx_vector_rep *nil_rep (void);
4938 703d97b89507 [project @ 2004-08-09 20:21:59 by jwe] jwe parents: 4653 diff changeset	445
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	446 // The shared empty vector representation with the error flag set.
21573 f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372) John W. Eaton <jwe@octave.org> parents: 19697 diff changeset	447 static idx_vector_rep *err_rep (void);
4938 703d97b89507 [project @ 2004-08-09 20:21:59 by jwe] jwe parents: 4653 diff changeset	448
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	449 // If there was an error in constructing the rep, replace it with
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	450 // empty vector for safety.
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	451 void chkerr (void)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	452 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	453 if (rep->err)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	454 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	455 if (--rep->count == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	456 delete rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	457 rep = err_rep ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	458 rep->count++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	459 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	460 }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	461
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	462 public:
1551 8f63ee44726c [project @ 1995-10-08 23:19:55 by jwe] jwe parents: 1315 diff changeset	463
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	464 // Fast empty constructor.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	465 idx_vector (void) : rep (nil_rep ()) { rep->count++; }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	466
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	467 // Zero-based constructors (for use from C++).
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	468 idx_vector (octave_idx_type i) : rep (new idx_scalar_rep (i))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	469 { chkerr (); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	470
23015 198fbbf6934a new idx_vector (F77_INT) constructor John W. Eaton <jwe@octave.org> parents: 23012 diff changeset	471 #if OCTAVE_SIZEOF_F77_INT_TYPE != OCTAVE_SIZEOF_IDX_TYPE
198fbbf6934a new idx_vector (F77_INT) constructor John W. Eaton <jwe@octave.org> parents: 23012 diff changeset	472 idx_vector (octave_f77_int_type i)
198fbbf6934a new idx_vector (F77_INT) constructor John W. Eaton <jwe@octave.org> parents: 23012 diff changeset	473 : rep (new idx_scalar_rep (static_cast<octave_idx_type> (i)))
198fbbf6934a new idx_vector (F77_INT) constructor John W. Eaton <jwe@octave.org> parents: 23012 diff changeset	474 { chkerr (); }
198fbbf6934a new idx_vector (F77_INT) constructor John W. Eaton <jwe@octave.org> parents: 23012 diff changeset	475 #endif
198fbbf6934a new idx_vector (F77_INT) constructor John W. Eaton <jwe@octave.org> parents: 23012 diff changeset	476
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	477 idx_vector (octave_idx_type start, octave_idx_type limit,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	478 octave_idx_type step = 1)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	479 : rep (new idx_range_rep (start, limit, step))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	480 { chkerr (); }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	481
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	482 static idx_vector
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	483 make_range (octave_idx_type start, octave_idx_type step,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	484 octave_idx_type len)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	485 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	486 return idx_vector (new idx_range_rep (start, len, step, DIRECT));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	487 }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	488
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	489 idx_vector (const Array<octave_idx_type>& inda)
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	490 : rep (new idx_vector_rep (inda))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	491 { chkerr (); }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	492
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10273 diff changeset	493 // Directly pass extent, no checking.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	494 idx_vector (const Array<octave_idx_type>& inda, octave_idx_type ext)
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10273 diff changeset	495 : rep (new idx_vector_rep (inda, ext, DIRECT))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	496 { }
10285 22a7913bbeb5 optimize return values of find and sort Jaroslav Hajek <highegg@gmail.com> parents: 10273 diff changeset	497
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	498 // Colon is best constructed by simply copying (or referencing) this member.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	499 static const idx_vector colon;
4938 703d97b89507 [project @ 2004-08-09 20:21:59 by jwe] jwe parents: 4653 diff changeset	500
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	501 // or passing ':' here
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	502 idx_vector (char c) : rep (new idx_colon_rep (c)) { chkerr (); }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	503
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	504 // Conversion constructors (used by interpreter).
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	505
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	506 template <typename T>
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	507 idx_vector (octave_int<T> x) : rep (new idx_scalar_rep (x)) { chkerr (); }
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	508
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	509 idx_vector (double x) : rep (new idx_scalar_rep (x)) { chkerr (); }
2386 4fc9fd1424a9 [project @ 1996-10-12 18:31:34 by jwe] jwe parents: 2356 diff changeset	510
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	511 idx_vector (float x) : rep (new idx_scalar_rep (x)) { chkerr (); }
3928 e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe] jwe parents: 3504 diff changeset	512
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	513 // A scalar bool does not necessarily map to scalar index.
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	514 idx_vector (bool x) : rep (new idx_mask_rep (x)) { chkerr (); }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	515
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	516 template <typename T>
23534 b6498c088fca maint: Don't write '> >' for declaration of templates that use templates. Rik <rik@octave.org> parents: 23496 diff changeset	517 idx_vector (const Array<octave_int<T>>& nda) : rep (new idx_vector_rep (nda))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	518 { chkerr (); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	519
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	520 idx_vector (const Array<double>& nda) : rep (new idx_vector_rep (nda))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	521 { chkerr (); }
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2802 diff changeset	522
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	523 idx_vector (const Array<float>& nda) : rep (new idx_vector_rep (nda))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	524 { chkerr (); }
4938 703d97b89507 [project @ 2004-08-09 20:21:59 by jwe] jwe parents: 4653 diff changeset	525
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	526 idx_vector (const Array<bool>& nda);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	527
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	528 idx_vector (const Range& r)
10489 d47802f0e557 Back out changeset 4e64fbbd5c58 Jaroslav Hajek <highegg@gmail.com> parents: 10487 diff changeset	529 : rep (new idx_range_rep (r))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	530 { chkerr (); }
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2802 diff changeset	531
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	532 idx_vector (const Sparse<bool>& nda) : rep (new idx_vector_rep (nda))
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	533 { chkerr (); }
8384 a99b9113c58c optimize sparse bool indexing Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	534
4979 ce4e3d39d05b [project @ 2004-09-08 23:25:05 by jwe] jwe parents: 4938 diff changeset	535 idx_vector (const idx_vector& a) : rep (a.rep) { rep->count++; }
1551 8f63ee44726c [project @ 1995-10-08 23:19:55 by jwe] jwe parents: 1315 diff changeset	536
2802 bca5fbab2e52 [project @ 1997-03-09 11:02:27 by jwe] jwe parents: 2800 diff changeset	537 ~idx_vector (void)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	538 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	539 if (--rep->count == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	540 delete rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	541 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	542
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	543 idx_vector& operator = (const idx_vector& a)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	544 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	545 if (this != &a)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	546 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	547 if (--rep->count == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	548 delete rep;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	549
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	550 rep = a.rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	551 rep->count++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	552 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	553 return *this;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	554 }
1551 8f63ee44726c [project @ 1995-10-08 23:19:55 by jwe] jwe parents: 1315 diff changeset	555
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	556 idx_class_type idx_class (void) const { return rep->idx_class (); }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	557
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	558 octave_idx_type length (octave_idx_type n = 0) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	559 { return rep->length (n); }
191 b6b4d8c513fe [project @ 1993-10-29 23:41:39 by jwe] jwe parents: 164 diff changeset	560
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	561 octave_idx_type extent (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	562 { return rep->extent (n); }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	563
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	564 octave_idx_type xelem (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	565 { return rep->xelem (n); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	566
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	567 octave_idx_type checkelem (octave_idx_type n) const
23487 af2f1f3dbe06 eliminate --enable-bounds-check configure option John W. Eaton <jwe@octave.org> parents: 23450 diff changeset	568 { return rep->xelem (n); }
1551 8f63ee44726c [project @ 1995-10-08 23:19:55 by jwe] jwe parents: 1315 diff changeset	569
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	570 octave_idx_type operator () (octave_idx_type n) const
23487 af2f1f3dbe06 eliminate --enable-bounds-check configure option John W. Eaton <jwe@octave.org> parents: 23450 diff changeset	571 { return rep->xelem (n); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	572
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	573 operator bool (void) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	574 { return ! rep->err; }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	575
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	576 bool is_colon (void) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	577 { return rep->idx_class () == class_colon; }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	578
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	579 bool is_scalar (void) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	580 { return rep->idx_class () == class_scalar; }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	581
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	582 bool is_range (void) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	583 { return rep->idx_class () == class_range; }
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	584
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	585 bool is_colon_equiv (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	586 { return rep->is_colon_equiv (n); }
3079 eb827eb9b8ff [project @ 1997-08-03 20:44:07 by jwe] jwe parents: 2847 diff changeset	587
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	588 idx_vector sorted (bool uniq = false) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	589 { return idx_vector (rep->sort_uniq_clone (uniq)); }
208 380cb9ccc889 [project @ 1993-11-12 10:35:05 by jwe] jwe parents: 191 diff changeset	590
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	591 idx_vector sorted (Array<octave_idx_type>& sidx) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	592 { return idx_vector (rep->sort_idx (sidx)); }
10273 3a8c13b71612 implement special-case optimization for sort of index vectors Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	593
4653 14ab7b05a572 [project @ 2003-11-24 05:02:46 by jwe] jwe parents: 4650 diff changeset	594 dim_vector orig_dimensions (void) const { return rep->orig_dimensions (); }
4504 f6a61399bc5c [project @ 2003-09-09 17:48:00 by jwe] jwe parents: 4461 diff changeset	595
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	596 octave_idx_type orig_rows (void) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	597 { return orig_dimensions () (0); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	598
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	599 octave_idx_type orig_columns (void) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	600 { return orig_dimensions () (1); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	601
2663 00b2eff19bf5 [project @ 1997-02-08 21:58:49 by jwe] jwe parents: 2386 diff changeset	602 int orig_empty (void) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	603 { return (! is_colon () && orig_dimensions ().any_zero ()); }
2663 00b2eff19bf5 [project @ 1997-02-08 21:58:49 by jwe] jwe parents: 2386 diff changeset	604
4653 14ab7b05a572 [project @ 2003-11-24 05:02:46 by jwe] jwe parents: 4650 diff changeset	605 // i/o
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	606
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 3503 diff changeset	607 std::ostream& print (std::ostream& os) const { return rep->print (os); }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	608
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 3503 diff changeset	609 friend std::ostream& operator << (std::ostream& os, const idx_vector& a)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	610 { return a.print (os); }
1560 27a03373de41 [project @ 1995-10-12 07:22:26 by jwe] jwe parents: 1553 diff changeset	611
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	612 // Slice with specializations. No checking of bounds!
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	613 //
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	614 // This is equivalent to the following loop (but much faster):
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	615 //
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	616 // for (octave_idx_type i = 0; i < idx->length (n); i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	617 // dest[i] = src[idx(i)];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	618 // return i;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	619 //
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	620 template <typename T>
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	621 octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	622 index (const T src, octave_idx_type n, T dest) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	623 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	624 octave_idx_type len = rep->length (n);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	625
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	626 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	627 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	628 case class_colon:
23420 1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array. Rik <rik@octave.org> parents: 23401 diff changeset	629 std::copy_n (src, len, dest);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	630 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	631
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	632 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	633 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	634 idx_range_rep r = dynamic_cast<idx_range_rep > (rep);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	635 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	636 octave_idx_type step = r->get_step ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	637 const T *ssrc = src + start;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	638 if (step == 1)
23420 1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array. Rik <rik@octave.org> parents: 23401 diff changeset	639 std::copy_n (ssrc, len, dest);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	640 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	641 std::reverse_copy (ssrc - len + 1, ssrc + 1, dest);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	642 else if (step == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	643 std::fill_n (dest, len, *ssrc);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	644 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	645 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	646 for (octave_idx_type i = 0, j = 0; i < len; i++, j += step)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	647 dest[i] = ssrc[j];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	648 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	649 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	650 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	651
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	652 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	653 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	654 idx_scalar_rep r = dynamic_cast<idx_scalar_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	655 dest[0] = src[r->get_data ()];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	656 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	657 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	658
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	659 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	660 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	661 idx_vector_rep r = dynamic_cast<idx_vector_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	662 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	663 for (octave_idx_type i = 0; i < len; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	664 dest[i] = src[data[i]];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	665 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	666 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	667
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	668 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	669 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	670 idx_mask_rep r = dynamic_cast<idx_mask_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	671 const bool *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	672 octave_idx_type ext = r->extent (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	673 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	674 if (data[i]) *dest++ = src[i];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	675 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	676 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	677
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	678 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	679 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	680 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	681 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	682
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	683 return len;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	684 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	685
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	686 // Slice assignment with specializations. No checking of bounds!
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	687 //
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	688 // This is equivalent to the following loop (but much faster):
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	689 //
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	690 // for (octave_idx_type i = 0; i < idx->length (n); i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	691 // dest[idx(i)] = src[i];
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	692 // return i;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	693 //
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	694 template <typename T>
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	695 octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	696 assign (const T src, octave_idx_type n, T dest) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	697 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	698 octave_idx_type len = rep->length (n);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	699
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	700 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	701 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	702 case class_colon:
23420 1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array. Rik <rik@octave.org> parents: 23401 diff changeset	703 std::copy_n (src, len, dest);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	704 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	705
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	706 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	707 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	708 idx_range_rep r = dynamic_cast<idx_range_rep > (rep);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	709 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	710 octave_idx_type step = r->get_step ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	711 T *sdest = dest + start;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	712 if (step == 1)
23420 1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array. Rik <rik@octave.org> parents: 23401 diff changeset	713 std::copy_n (src, len, sdest);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	714 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	715 std::reverse_copy (src, src + len, sdest - len + 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	716 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	717 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	718 for (octave_idx_type i = 0, j = 0; i < len; i++, j += step)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	719 sdest[j] = src[i];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	720 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	721 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	722 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	723
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	724 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	725 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	726 idx_scalar_rep r = dynamic_cast<idx_scalar_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	727 dest[r->get_data ()] = src[0];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	728 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	729 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	730
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	731 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	732 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	733 idx_vector_rep r = dynamic_cast<idx_vector_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	734 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	735 for (octave_idx_type i = 0; i < len; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	736 dest[data[i]] = src[i];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	737 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	738 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	739
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	740 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	741 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	742 idx_mask_rep r = dynamic_cast<idx_mask_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	743 const bool *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	744 octave_idx_type ext = r->extent (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	745 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	746 if (data[i]) dest[i] = *src++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	747 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	748 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	749
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	750 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	751 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	752 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	753 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	754
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	755 return len;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	756 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	757
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	758 // Slice fill with specializations. No checking of bounds!
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	759 //
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	760 // This is equivalent to the following loop (but much faster):
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	761 //
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	762 // for (octave_idx_type i = 0; i < idx->length (n); i++)
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	763 // dest[idx(i)] = val;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	764 // return i;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	765 //
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	766 template <typename T>
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	767 octave_idx_type
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	768 fill (const T& val, octave_idx_type n, T *dest) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	769 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	770 octave_idx_type len = rep->length (n);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	771
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	772 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	773 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	774 case class_colon:
23420 1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array. Rik <rik@octave.org> parents: 23401 diff changeset	775 std::fill_n (dest, len, val);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	776 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	777
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	778 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	779 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	780 idx_range_rep r = dynamic_cast<idx_range_rep > (rep);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	781 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	782 octave_idx_type step = r->get_step ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	783 T *sdest = dest + start;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	784 if (step == 1)
23420 1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array. Rik <rik@octave.org> parents: 23401 diff changeset	785 std::fill_n (sdest, len, val);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	786 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	787 std::fill (sdest - len + 1, sdest + 1, val);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	788 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	789 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	790 for (octave_idx_type i = 0, j = 0; i < len; i++, j += step)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	791 sdest[j] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	792 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	793 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	794 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	795
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	796 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	797 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	798 idx_scalar_rep r = dynamic_cast<idx_scalar_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	799 dest[r->get_data ()] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	800 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	801 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	802
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	803 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	804 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	805 idx_vector_rep r = dynamic_cast<idx_vector_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	806 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	807 for (octave_idx_type i = 0; i < len; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	808 dest[data[i]] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	809 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	810 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	811
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	812 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	813 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	814 idx_mask_rep r = dynamic_cast<idx_mask_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	815 const bool *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	816 octave_idx_type ext = r->extent (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	817 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	818 if (data[i]) dest[i] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	819 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	820 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	821
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	822 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	823 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	824 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	825 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	826
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	827 return len;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	828 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	829
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	830 // Generic non-breakable indexed loop. The loop body should be
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	831 // encapsulated in a single functor body. This is equivalent to the
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	832 // following loop (but faster, at least for simple inlined bodies):
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	833 //
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	834 // for (octave_idx_type i = 0; i < idx->length (n); i++) body (idx(i));
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	835
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	836 template <typename Functor>
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	837 void
c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	838 loop (octave_idx_type n, Functor body) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	839 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	840 octave_idx_type len = rep->length (n);
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	841
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	842 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	843 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	844 case class_colon:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	845 for (octave_idx_type i = 0; i < len; i++) body (i);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	846 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	847
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	848 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	849 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	850 idx_range_rep r = dynamic_cast<idx_range_rep > (rep);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	851 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	852 octave_idx_type step = r->get_step ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	853 octave_idx_type i, j;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	854 if (step == 1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	855 for (i = start, j = start + len; i < j; i++) body (i);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	856 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	857 for (i = start, j = start - len; i > j; i--) body (i);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	858 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	859 for (i = 0, j = start; i < len; i++, j += step) body (j);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	860 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	861 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	862
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	863 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	864 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	865 idx_scalar_rep r = dynamic_cast<idx_scalar_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	866 body (r->get_data ());
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	867 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	868 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	869
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	870 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	871 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	872 idx_vector_rep r = dynamic_cast<idx_vector_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	873 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	874 for (octave_idx_type i = 0; i < len; i++) body (data[i]);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	875 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	876 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	877
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	878 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	879 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	880 idx_mask_rep r = dynamic_cast<idx_mask_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	881 const bool *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	882 octave_idx_type ext = r->extent (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	883 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	884 if (data[i]) body (i);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	885 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	886 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	887
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	888 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	889 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	890 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	891 }
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	892
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	893 }
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	894
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	895 // Generic breakable indexed loop. The loop body should be
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	896 // encapsulated in a single functor body. This is equivalent to the
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	897 // following loop (but faster, at least for simple inlined bodies):
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	898 //
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	899 // for (octave_idx_type i = 0; i < idx->length (n); i++)
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	900 // if (body (idx(i))) break;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	901 // return i;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	902 //
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	903
21139 538b57866b90 consistently use "typename" intead of "class" in template declarations John W. Eaton <jwe@octave.org> parents: 21137 diff changeset	904 template <typename Functor>
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	905 octave_idx_type
8934 c2099a4d12ea partially optimize accumarray Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	906 bloop (octave_idx_type n, Functor body) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	907 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	908 octave_idx_type len = rep->length (n), ret;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	909
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	910 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	911 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	912 case class_colon:
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	913 {
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	914 octave_idx_type i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	915 for (i = 0; i < len && body (i); i++) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	916 ret = i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	917 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	918 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	919
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	920 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	921 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	922 idx_range_rep r = dynamic_cast<idx_range_rep > (rep);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	923 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	924 octave_idx_type step = r->get_step ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	925 octave_idx_type i, j;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	926 if (step == 1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	927 for (i = start, j = start + len; i < j && body (i); i++) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	928 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	929 for (i = start, j = start - len; i > j && body (i); i--) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	930 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	931 for (i = 0, j = start; i < len && body (j); i++, j += step) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	932 ret = i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	933 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	934 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	935
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	936 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	937 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	938 idx_scalar_rep r = dynamic_cast<idx_scalar_rep > (rep);
23450 855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)". Rik <rik@octave.org> parents: 23446 diff changeset	939 ret = (body (r->get_data ()) ? 1 : 0);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	940 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	941 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	942
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	943 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	944 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	945 idx_vector_rep r = dynamic_cast<idx_vector_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	946 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	947 octave_idx_type i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	948 for (i = 0; i < len && body (data[i]); i++) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	949 ret = i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	950 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	951 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	952
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	953 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	954 {
23432 e35a5c1233d0 maint: Use convention 'int x' for naming pointers. Rik <rik@octave.org>* parents: 23420 diff changeset	955 idx_mask_rep r = dynamic_cast<idx_mask_rep > (rep);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	956 const bool *data = r->get_data ();
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	957 octave_idx_type ext = r->extent (0);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 17769 diff changeset	958 octave_idx_type j = 0;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	959 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	960 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	961 if (data[i])
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	962 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	963 if (body (i))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	964 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	965 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	966 j++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	967 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	968 }
9985 43a29eeda994 fix idx_vector::loop for masks Jaroslav Hajek <highegg@gmail.com> parents: 9894 diff changeset	969
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	970 ret = j;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	971 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	972 break;
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	973
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	974 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	975 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	976 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	977 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	978
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	979 return ret;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	980 }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	981
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	982 // Rationale:
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	983 // This method is the key to "smart indexing". When indexing cartesian
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	984 // arrays, sometimes consecutive index vectors can be reduced into a
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	985 // single index. If rows (A) = k and i.maybe_reduce (j) gives k, then
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	986 // A(i,j)(:) is equal to A(k)(:).
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	987
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	988 // If the next index can be reduced, returns true and updates this.
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	989 bool maybe_reduce (octave_idx_type n, const idx_vector& j,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	990 octave_idx_type nj);
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	991
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	992 bool is_cont_range (octave_idx_type n,
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	993 octave_idx_type& l, octave_idx_type& u) const;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	994
9725 aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	995 // Returns the increment for ranges and colon, 0 for scalars and empty
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	996 // vectors, 1st difference otherwise.
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	997 octave_idx_type increment (void) const;
aea3a3a950e1 implement nth_element Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	998
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	999 idx_vector
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1000 complement (octave_idx_type n) const;
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1001
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1002 bool is_permutation (octave_idx_type n) const;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8333 diff changeset	1003
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	1004 // Returns the inverse permutation. If this is not a permutation on 1:n, the
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1005 // result is undefined (but no error unless extent () != n).
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1006 idx_vector inverse_permutation (octave_idx_type n) const;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10489 diff changeset	1007
21751 b571fc85953f maint: Use two spaces after period to indicate sentence break. Rik <rik@octave.org> parents: 21574 diff changeset	1008 // Copies all the indices to a given array. Not allowed for colons.
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	1009 void copy_data (octave_idx_type *data) const;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	1010
9879 034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1011 // If the index is a mask, convert it to index vector.
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1012 idx_vector unmask (void) const;
034677ab6865 smarter treatment of mask indexing Jaroslav Hajek <highegg@gmail.com> parents: 9780 diff changeset	1013
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	1014 // Unconverts the index to a scalar, Range, double array or a mask.
9479 d9716e3ee0dd supply optimized compiled sub2ind & ind2sub Jaroslav Hajek <highegg@gmail.com> parents: 8972 diff changeset	1015 void unconvert (idx_class_type& iclass,
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1016 double& scalar, Range& range,
9894 83bd7f34f9da improve idx_vector->octave_value conversion Jaroslav Hajek <highegg@gmail.com> parents: 9886 diff changeset	1017 Array<double>& array, Array<bool>& mask) const;
10339 de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	1018
de2d43bcb083 optimize some lazy index operations Jaroslav Hajek <highegg@gmail.com> parents: 10312 diff changeset	1019 Array<octave_idx_type> as_array (void) const;
10475 739109ef88ee helper idx_vector methods Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1020
10487 942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1021 // Raw pointer to index array. This is non-const because it may be
942386d6d1a5 style fixes John W. Eaton <jwe@octave.org> parents: 10486 diff changeset	1022 // necessary to mutate the index.
23446 cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers. Rik <rik@octave.org> parents: 23432 diff changeset	1023 const octave_idx_type * raw (void);
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1024
23592 80e3bfb7bd5a maint: Deprecate is_vector and replace with isvector. Rik <rik@octave.org> parents: 23534 diff changeset	1025 bool isvector (void) const;
80e3bfb7bd5a maint: Deprecate is_vector and replace with isvector. Rik <rik@octave.org> parents: 23534 diff changeset	1026
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1027 // FIXME: these are here for compatibility. They should be removed
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	1028 // when no longer in use.
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1029
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1030 octave_idx_type elem (octave_idx_type n) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1031 { return (*this) (n); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1032
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1033 bool is_colon_equiv (octave_idx_type n, int) const
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1034 { return is_colon_equiv (n); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1035
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	1036 octave_idx_type
9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	1037 freeze (octave_idx_type z_len, const char *tag, bool resize_ok = false);
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1038
7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1039 void sort (bool uniq = false)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1040 { *this = sorted (uniq); }
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1041
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	1042 octave_idx_type ones_count (void) const;
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1043
8333 9238637cb81c style fixes John W. Eaton <jwe@octave.org> parents: 8319 diff changeset	1044 octave_idx_type max (void) const { return extent (1) - 1; }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1045
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1046 private:
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1047
8290 7cbe01c21986 improve dense array indexing Jaroslav Hajek <highegg@gmail.com> parents: 7573 diff changeset	1048 idx_base_rep *rep;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1049
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1050 };
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1051
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1052 #endif

Mercurial > octave

annotate liboctave/array/idx-vector.h @ 27923:bd51beb6205e