octave-thorsten: liboctave/Sparse.cc annotate

annotate liboctave/Sparse.cc @ 15307:f2e72944847b draft stable

Ensure sparse constructors have valid ridx and data indices even if they are zero matrices (bug #36104)

author	David Bateman <dbateman@free.fr>
date	Sat, 19 May 2012 01:59:21 +0200
parents	b8041f48b0ff
children	4663cc835c65

rev	line source
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1 // Template sparse array class
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2 /*
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	3
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 13985 diff changeset	4 Copyright (C) 2004-2012 David Bateman
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11508 diff changeset	5 Copyright (C) 1998-2004 Andy Adler
10521 4d1fc073fbb7 add some missing copyright stmts Jaroslav Hajek <highegg@gmail.com> parents: 10520 diff changeset	6 Copyright (C) 2010 VZLU Prague
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	7
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	8 This file is part of Octave.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	9
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	10 Octave is free software; you can redistribute it and/or modify it
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	11 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	12 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	13 option) any later version.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	14
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	15 Octave is distributed in the hope that it will be useful, but WITHOUT
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	18 for more details.
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	19
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	20 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	21 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	22 <http://www.gnu.org/licenses/>.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	23
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	24 */
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	25
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	26 #ifdef HAVE_CONFIG_H
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	27 #include <config.h>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	28 #endif
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	29
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	30 #include <cassert>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	31 #include <climits>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	32
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	33 #include <algorithm>
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	34 #include <iostream>
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	35 #include <sstream>
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	36 #include <vector>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	37
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	38 #include "Array.h"
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	39 #include "MArray.h"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	40 #include "Array-util.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	41 #include "Range.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	42 #include "idx-vector.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	43 #include "lo-error.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	44 #include "quit.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	45 #include "oct-locbuf.h"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	46
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	47 #include "Sparse.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	48 #include "sparse-sort.h"
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	49 #include "sparse-util.h"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	50 #include "oct-spparms.h"
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	51 #include "mx-inlines.cc"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	52
13030 b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	53 #include "PermMatrix.h"
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	54
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	55 template <class T>
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	56 Sparse<T>::Sparse (const PermMatrix& a)
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	57 : rep (new typename Sparse<T>::SparseRep (a.rows (), a.cols (), a.rows ())),
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	58 dimensions (dim_vector (a.rows (), a.cols()))
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	59 {
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	60 octave_idx_type n = a.rows ();
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	61 for (octave_idx_type i = 0; i <= n; i++)
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	62 cidx (i) = i;
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	63
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	64 const Array<octave_idx_type> pv = a.pvec ();
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	65
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	66 if (a.is_row_perm ())
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	67 {
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	68 for (octave_idx_type i = 0; i < n; i++)
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	69 ridx (pv (i)) = i;
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	70 }
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	71 else
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	72 {
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	73 for (octave_idx_type i = 0; i < n; i++)
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	74 ridx (i) = pv (i);
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	75 }
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	76
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	77 for (octave_idx_type i = 0; i < n; i++)
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	78 data (i) = 1.0;
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	79 }
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	80
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	81 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	82 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	83 Sparse<T>::SparseRep::elem (octave_idx_type _r, octave_idx_type _c)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	84 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	85 octave_idx_type i;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	86
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	87 if (nzmx > 0)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	88 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	89 for (i = c[_c]; i < c[_c + 1]; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	90 if (r[i] == _r)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	91 return d[i];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	92 else if (r[i] > _r)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	93 break;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	94
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	95 // Ok, If we've gotten here, we're in trouble.. Have to create a
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	96 // new element in the sparse array. This' gonna be slow!!!
5869 6a23ee71dd86 [project @ 2006-06-29 18:04:20 by jwe] jwe parents: 5828 diff changeset	97 if (c[ncols] == nzmx)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	98 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	99 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	100 ("Sparse::SparseRep::elem (octave_idx_type, octave_idx_type): sparse matrix filled");
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	101 return *d;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	102 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	103
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	104 octave_idx_type to_move = c[ncols] - i;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	105 if (to_move != 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	106 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	107 for (octave_idx_type j = c[ncols]; j > i; j--)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	108 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	109 d[j] = d[j-1];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	110 r[j] = r[j-1];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	111 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	112 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	113
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	114 for (octave_idx_type j = _c + 1; j < ncols + 1; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	115 c[j] = c[j] + 1;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	116
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	117 d[i] = 0.;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	118 r[i] = _r;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	119
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	120 return d[i];
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	121 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	122 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	123 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	124 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	125 ("Sparse::SparseRep::elem (octave_idx_type, octave_idx_type): sparse matrix filled");
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	126 return *d;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	127 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	128 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	129
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	130 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	131 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	132 Sparse<T>::SparseRep::celem (octave_idx_type _r, octave_idx_type _c) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	133 {
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	134 if (nzmx > 0)
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	135 for (octave_idx_type i = c[_c]; i < c[_c + 1]; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	136 if (r[i] == _r)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	137 return d[i];
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	138 return T ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	139 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	140
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	141 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	142 void
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	143 Sparse<T>::SparseRep::maybe_compress (bool remove_zeros)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	144 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	145 if (remove_zeros)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	146 {
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	147 octave_idx_type i = 0, k = 0;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	148 for (octave_idx_type j = 1; j <= ncols; j++)
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	149 {
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	150 octave_idx_type u = c[j];
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	151 for (i = i; i < u; i++)
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	152 if (d[i] != T())
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	153 {
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	154 d[k] = d[i];
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	155 r[k++] = r[i];
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	156 }
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	157 c[j] = k;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	158 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	159 }
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	160
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	161 change_length (c[ncols]);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	162 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	163
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	164 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	165 void
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	166 Sparse<T>::SparseRep::change_length (octave_idx_type nz)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	167 {
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	168 for (octave_idx_type j = ncols; j > 0 && c[j] > nz; j--)
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	169 c[j] = nz;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	170
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	171 // We shall skip reallocation if we have less than 1/frac extra elements to
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	172 // discard.
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	173 static const int frac = 5;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	174 if (nz > nzmx \|\| nz < nzmx - nzmx/frac)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	175 {
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	176 // Reallocate.
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	177 octave_idx_type min_nzmx = std::min (nz, nzmx);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	178
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	179 octave_idx_type * new_ridx = new octave_idx_type [nz];
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	180 copy_or_memcpy (min_nzmx, r, new_ridx);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	181
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	182 delete [] r;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	183 r = new_ridx;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	184
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	185 T * new_data = new T [nz];
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	186 copy_or_memcpy (min_nzmx, d, new_data);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	187
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	188 delete [] d;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	189 d = new_data;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	190
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	191 nzmx = nz;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	192 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	193 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	194
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	195 template <class T>
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	196 bool
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	197 Sparse<T>::SparseRep::indices_ok (void) const
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	198 {
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	199 return sparse_indices_ok (r, c, nrows, ncols, nnz ());
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	200 }
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	201
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	202 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	203 Sparse<T>::Sparse (octave_idx_type nr, octave_idx_type nc, T val)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	204 : rep (0), dimensions (dim_vector (nr, nc))
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	205 {
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	206 if (val != T ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	207 {
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	208 rep = new typename Sparse<T>::SparseRep (nr, nc, nr*nc);
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	209
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	210 octave_idx_type ii = 0;
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	211 xcidx (0) = 0;
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	212 for (octave_idx_type j = 0; j < nc; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	213 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	214 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	215 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	216 xdata (ii) = val;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	217 xridx (ii++) = i;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	218 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	219 xcidx (j+1) = ii;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	220 }
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	221 }
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	222 else
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	223 {
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	224 rep = new typename Sparse<T>::SparseRep (nr, nc, 0);
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	225 for (octave_idx_type j = 0; j < nc+1; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	226 xcidx(j) = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	227 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	228 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	229
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	230 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	231 Sparse<T>::Sparse (const dim_vector& dv)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	232 : rep (0), dimensions (dv)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	233 {
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	234 if (dv.length() != 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	235 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	236 ("Sparse::Sparse (const dim_vector&): dimension mismatch");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	237 else
15307 f2e72944847b Ensure sparse constructors have valid ridx and data indices even if they are zero matrices (bug #36104) David Bateman <dbateman@free.fr> parents: 14861 diff changeset	238 rep = new typename Sparse<T>::SparseRep (dv(0), dv(1), 0);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	239 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	240
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	241 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	242 Sparse<T>::Sparse (const Sparse<T>& a, const dim_vector& dv)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	243 : rep (0), dimensions (dv)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	244 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	245
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	246 // Work in unsigned long long to avoid overflow issues with numel
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	247 unsigned long long a_nel = static_cast<unsigned long long>(a.rows ()) *
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	248 static_cast<unsigned long long>(a.cols ());
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	249 unsigned long long dv_nel = static_cast<unsigned long long>(dv (0)) *
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	250 static_cast<unsigned long long>(dv (1));
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	251
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	252 if (a_nel != dv_nel)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	253 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	254 ("Sparse::Sparse (const Sparse&, const dim_vector&): dimension mismatch");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	255 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	256 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	257 dim_vector old_dims = a.dims();
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	258 octave_idx_type new_nzmx = a.nnz ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	259 octave_idx_type new_nr = dv (0);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	260 octave_idx_type new_nc = dv (1);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	261 octave_idx_type old_nr = old_dims (0);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	262 octave_idx_type old_nc = old_dims (1);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	263
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	264 rep = new typename Sparse<T>::SparseRep (new_nr, new_nc, new_nzmx);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	265
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	266 octave_idx_type kk = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	267 xcidx(0) = 0;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	268 for (octave_idx_type i = 0; i < old_nc; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	269 for (octave_idx_type j = a.cidx(i); j < a.cidx(i+1); j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	270 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	271 octave_idx_type tmp = i * old_nr + a.ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	272 octave_idx_type ii = tmp % new_nr;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	273 octave_idx_type jj = (tmp - ii) / new_nr;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	274 for (octave_idx_type k = kk; k < jj; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	275 xcidx(k+1) = j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	276 kk = jj;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	277 xdata(j) = a.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	278 xridx(j) = ii;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	279 }
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	280 for (octave_idx_type k = kk; k < new_nc; k++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	281 xcidx(k+1) = new_nzmx;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	282 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	283 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	284
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	285 template <class T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	286 Sparse<T>::Sparse (const Array<T>& a, const idx_vector& r,
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	287 const idx_vector& c, octave_idx_type nr,
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	288 octave_idx_type nc, bool sum_terms,
b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	289 octave_idx_type nzm)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	290 : rep (0), dimensions ()
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	291 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	292 if (nr < 0)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	293 nr = r.extent (0);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	294 else if (r.extent (nr) > nr)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	295 (*current_liboctave_error_handler) ("sparse: row index %d out of bound %d",
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	296 r.extent (nr), nr);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	297
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	298 if (nc < 0)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	299 nc = c.extent (0);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	300 else if (c.extent (nc) > nc)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	301 (*current_liboctave_error_handler)
41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	302 ("sparse: column index %d out of bound %d", r.extent (nc), nc);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	303
15307 f2e72944847b Ensure sparse constructors have valid ridx and data indices even if they are zero matrices (bug #36104) David Bateman <dbateman@free.fr> parents: 14861 diff changeset	304 rep = new typename Sparse<T>::SparseRep (nr, nc, (nzm > 0 ? nzm : 0));
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	305
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	306 dimensions = dim_vector (nr, nc);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	307
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	308 octave_idx_type n = a.numel (), rl = r.length (nr), cl = c.length (nc);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	309 bool a_scalar = n == 1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	310 if (a_scalar)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	311 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	312 if (rl != 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	313 n = rl;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	314 else if (cl != 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	315 n = cl;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	316 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	317
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	318 if ((rl != 1 && rl != n) \|\| (cl != 1 && cl != n))
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	319 (*current_liboctave_error_handler) ("sparse: dimension mismatch");
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	320
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	321 if (rl <= 1 && cl <= 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	322 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	323 if (n == 1 && a(0) != T ())
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	324 {
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	325 change_capacity (nzm > 1 ? nzm : 1);
15307 f2e72944847b Ensure sparse constructors have valid ridx and data indices even if they are zero matrices (bug #36104) David Bateman <dbateman@free.fr> parents: 14861 diff changeset	326 xcidx(0) = 0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	327 xridx(0) = r(0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	328 xdata(0) = a(0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	329 for (octave_idx_type j = 0; j < nc; j++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	330 xcidx(j+1) = j >= c(0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	331 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	332 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	333 else if (a_scalar)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	334 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	335 // This is completely specialized, because the sorts can be simplified.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	336 T a0 = a(0);
10509 ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	337 if (a0 == T())
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	338 {
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	339 // Do nothing, it's an empty matrix.
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	340 }
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	341 else if (cl == 1)
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	342 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	343 // Sparse column vector. Sort row indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	344 idx_vector rs = r.sorted ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	345
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	346 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	347
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	348 const octave_idx_type *rd = rs.raw ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	349 // Count unique indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	350 octave_idx_type new_nz = 1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	351 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	352 new_nz += rd[i-1] != rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	353 // Allocate result.
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	354 change_capacity (nzm > new_nz ? nzm : new_nz);
15307 f2e72944847b Ensure sparse constructors have valid ridx and data indices even if they are zero matrices (bug #36104) David Bateman <dbateman@free.fr> parents: 14861 diff changeset	355 xcidx (0) = 0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	356 xcidx (1) = new_nz;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	357 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	358 T *rrd = data ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	359
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	360 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	361
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	362 octave_idx_type k = -1, l = -1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	363
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	364 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	365 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	366 // Sum repeated indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	367 for (octave_idx_type i = 0; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	368 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	369 if (rd[i] != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	370 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	371 l = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	372 rri[++k] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	373 rrd[k] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	374 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	375 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	376 rrd[k] += a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	377 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	378 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	379 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	380 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	381 // Pick the last one.
11571 0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	382 for (octave_idx_type i = 0; i < n; i++)
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	383 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	384 if (rd[i] != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	385 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	386 l = rd[i];
11571 0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	387 rri[++k] = rd[i];
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	388 rrd[k] = a0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	389 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	390 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	391 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	392
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	393 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	394 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	395 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	396 idx_vector rr = r, cc = c;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	397 const octave_idx_type rd = rr.raw (), cd = cc.raw ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	398 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, ci, nc+1, 0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	399 ci[0] = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	400 // Bin counts of column indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	401 for (octave_idx_type i = 0; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	402 ci[cd[i]+1]++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	403 // Make them cumulative, shifted one to right.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	404 for (octave_idx_type i = 1, s = 0; i <= nc; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	405 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	406 octave_idx_type s1 = s + ci[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	407 ci[i] = s;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	408 s = s1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	409 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	410
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	411 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	412
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	413 // Bucket sort.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	414 OCTAVE_LOCAL_BUFFER (octave_idx_type, sidx, n);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	415 for (octave_idx_type i = 0; i < n; i++)
11571 0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	416 if (rl == 1)
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	417 sidx[ci[cd[i]+1]++] = rd[0];
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	418 else
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	419 sidx[ci[cd[i]+1]++] = rd[i];
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	420
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	421 // Subsorts. We don't need a stable sort, all values are equal.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	422 xcidx(0) = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	423 for (octave_idx_type j = 0; j < nc; j++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	424 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	425 std::sort (sidx + ci[j], sidx + ci[j+1]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	426 octave_idx_type l = -1, nzj = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	427 // Count.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	428 for (octave_idx_type i = ci[j]; i < ci[j+1]; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	429 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	430 octave_idx_type k = sidx[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	431 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	432 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	433 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	434 nzj++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	435 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	436 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	437 // Set column pointer.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	438 xcidx(j+1) = xcidx(j) + nzj;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	439 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	440
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	441 change_capacity (nzm > xcidx (nc) ? nzm : xcidx (nc));
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	442 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	443 T *rrd = data ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	444
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	445 // Fill-in data.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	446 for (octave_idx_type j = 0, jj = -1; j < nc; j++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	447 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	448 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	449 octave_idx_type l = -1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	450 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	451 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	452 // Sum adjacent terms.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	453 for (octave_idx_type i = ci[j]; i < ci[j+1]; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	454 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	455 octave_idx_type k = sidx[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	456 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	457 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	458 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	459 rrd[++jj] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	460 rri[jj] = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	461 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	462 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	463 rrd[jj] += a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	464 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	465 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	466 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	467 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	468 // Use the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	469 for (octave_idx_type i = ci[j]; i < ci[j+1]; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	470 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	471 octave_idx_type k = sidx[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	472 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	473 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	474 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	475 rrd[++jj] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	476 rri[jj] = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	477 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	478 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	479 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	480 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	481 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	482 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	483 else if (cl == 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	484 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	485 // Sparse column vector. Sort row indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	486 Array<octave_idx_type> rsi;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	487 idx_vector rs = r.sorted (rsi);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	488
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	489 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	490
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	491 const octave_idx_type rd = rs.raw (), rdi = rsi.data ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	492 // Count unique indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	493 octave_idx_type new_nz = 1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	494 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	495 new_nz += rd[i-1] != rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	496 // Allocate result.
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	497 change_capacity (nzm > new_nz ? nzm : new_nz);
15307 f2e72944847b Ensure sparse constructors have valid ridx and data indices even if they are zero matrices (bug #36104) David Bateman <dbateman@free.fr> parents: 14861 diff changeset	498 xcidx(0) = 0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	499 xcidx(1) = new_nz;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	500 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	501 T *rrd = data ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	502
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	503 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	504
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	505 octave_idx_type k = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	506 rri[k] = rd[0];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	507 rrd[k] = a(rdi[0]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	508
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	509 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	510 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	511 // Sum repeated indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	512 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	513 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	514 if (rd[i] != rd[i-1])
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	515 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	516 rri[++k] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	517 rrd[k] = a(rdi[i]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	518 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	519 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	520 rrd[k] += a(rdi[i]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	521 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	522 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	523 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	524 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	525 // Pick the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	526 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	527 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	528 if (rd[i] != rd[i-1])
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	529 rri[++k] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	530 rrd[k] = a(rdi[i]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	531 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	532 }
10509 ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	533
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	534 maybe_compress (true);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	535 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	536 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	537 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	538 idx_vector rr = r, cc = c;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	539 const octave_idx_type rd = rr.raw (), cd = cc.raw ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	540 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, ci, nc+1, 0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	541 ci[0] = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	542 // Bin counts of column indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	543 for (octave_idx_type i = 0; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	544 ci[cd[i]+1]++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	545 // Make them cumulative, shifted one to right.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	546 for (octave_idx_type i = 1, s = 0; i <= nc; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	547 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	548 octave_idx_type s1 = s + ci[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	549 ci[i] = s;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	550 s = s1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	551 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	552
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	553 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	554
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	555 typedef std::pair<octave_idx_type, octave_idx_type> idx_pair;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	556 // Bucket sort.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	557 OCTAVE_LOCAL_BUFFER (idx_pair, spairs, n);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	558 for (octave_idx_type i = 0; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	559 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	560 idx_pair& p = spairs[ci[cd[i]+1]++];
11571 0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	561 if (rl == 1)
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	562 p.first = rd[0];
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	563 else
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	564 p.first = rd[i];
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	565 p.second = i;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	566 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	567
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	568 // Subsorts. We don't need a stable sort, the second index stabilizes it.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	569 xcidx(0) = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	570 for (octave_idx_type j = 0; j < nc; j++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	571 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	572 std::sort (spairs + ci[j], spairs + ci[j+1]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	573 octave_idx_type l = -1, nzj = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	574 // Count.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	575 for (octave_idx_type i = ci[j]; i < ci[j+1]; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	576 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	577 octave_idx_type k = spairs[i].first;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	578 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	579 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	580 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	581 nzj++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	582 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	583 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	584 // Set column pointer.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	585 xcidx(j+1) = xcidx(j) + nzj;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	586 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	587
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	588 change_capacity (nzm > xcidx (nc) ? nzm : xcidx (nc));
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	589 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	590 T *rrd = data ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	591
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	592 // Fill-in data.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	593 for (octave_idx_type j = 0, jj = -1; j < nc; j++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	594 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	595 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	596 octave_idx_type l = -1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	597 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	598 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	599 // Sum adjacent terms.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	600 for (octave_idx_type i = ci[j]; i < ci[j+1]; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	601 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	602 octave_idx_type k = spairs[i].first;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	603 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	604 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	605 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	606 rrd[++jj] = a(spairs[i].second);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	607 rri[jj] = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	608 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	609 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	610 rrd[jj] += a(spairs[i].second);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	611 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	612 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	613 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	614 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	615 // Use the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	616 for (octave_idx_type i = ci[j]; i < ci[j+1]; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	617 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	618 octave_idx_type k = spairs[i].first;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	619 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	620 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	621 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	622 rri[++jj] = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	623 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	624 rrd[jj] = a(spairs[i].second);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	625 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	626 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	627 }
10509 ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	628
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	629 maybe_compress (true);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	630 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	631 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	632
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	633 template <class T>
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	634 Sparse<T>::Sparse (const Array<T>& a)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	635 : rep (0), dimensions (a.dims ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	636 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	637 if (dimensions.length () > 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	638 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	639 ("Sparse::Sparse (const Array<T>&): dimension mismatch");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	640 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	641 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	642 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	643 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	644 octave_idx_type len = a.length ();
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	645 octave_idx_type new_nzmx = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	646
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	647 // First count the number of non-zero terms
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	648 for (octave_idx_type i = 0; i < len; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	649 if (a(i) != T ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	650 new_nzmx++;
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	651
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	652 rep = new typename Sparse<T>::SparseRep (nr, nc, new_nzmx);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	653
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	654 octave_idx_type ii = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	655 xcidx(0) = 0;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	656 for (octave_idx_type j = 0; j < nc; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	657 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	658 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	659 if (a.elem (i,j) != T ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	660 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	661 xdata(ii) = a.elem (i,j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	662 xridx(ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	663 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	664 xcidx(j+1) = ii;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	665 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	666 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	667 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	668
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	669 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	670 Sparse<T>::~Sparse (void)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	671 {
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 13841 diff changeset	672 if (--rep->count == 0)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	673 delete rep;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	674 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	675
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	676 template <class T>
7717 ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	677 Sparse<T>&
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	678 Sparse<T>::operator = (const Sparse<T>& a)
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	679 {
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	680 if (this != &a)
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	681 {
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 13841 diff changeset	682 if (--rep->count == 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	683 delete rep;
7717 ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	684
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	685 rep = a.rep;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	686 rep->count++;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	687
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	688 dimensions = a.dimensions;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	689 }
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	690
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	691 return *this;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	692 }
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	693
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	694 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	695 octave_idx_type
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	696 Sparse<T>::compute_index (const Array<octave_idx_type>& ra_idx) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	697 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	698 octave_idx_type retval = -1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	699
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	700 octave_idx_type n = dimensions.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	701
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	702 if (n > 0 && n == ra_idx.length ())
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	703 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	704 retval = ra_idx(--n);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	705
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	706 while (--n >= 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	707 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	708 retval *= dimensions(n);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	709 retval += ra_idx(n);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	710 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	711 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	712 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	713 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	714 ("Sparse<T>::compute_index: invalid ra_idxing operation");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	715
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	716 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	717 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	718
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	719 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	720 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	721 Sparse<T>::range_error (const char *fcn, octave_idx_type n) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	722 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	723 (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	724 return T ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	725 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	726
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	727 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	728 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	729 Sparse<T>::range_error (const char *fcn, octave_idx_type n)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	730 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	731 (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	732 static T foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	733 return foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	734 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	735
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	736 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	737 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	738 Sparse<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	739 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	740 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	741 ("%s (%d, %d): range error", fcn, i, j);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	742 return T ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	743 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	744
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	745 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	746 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	747 Sparse<T>::range_error (const char *fcn, octave_idx_type i, octave_idx_type j)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	748 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	749 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	750 ("%s (%d, %d): range error", fcn, i, j);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	751 static T foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	752 return foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	753 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	754
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	755 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	756 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	757 Sparse<T>::range_error (const char *fcn, const Array<octave_idx_type>& ra_idx) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	758 {
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	759 std::ostringstream buf;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	760
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	761 buf << fcn << " (";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	762
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	763 octave_idx_type n = ra_idx.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	764
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	765 if (n > 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	766 buf << ra_idx(0);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	767
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	768 for (octave_idx_type i = 1; i < n; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	769 buf << ", " << ra_idx(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	770
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	771 buf << "): range error";
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	772
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	773 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	774
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	775 (*current_liboctave_error_handler) (buf_str.c_str ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	776
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	777 return T ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	778 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	779
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	780 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	781 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	782 Sparse<T>::range_error (const char *fcn, const Array<octave_idx_type>& ra_idx)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	783 {
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	784 std::ostringstream buf;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	785
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	786 buf << fcn << " (";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	787
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	788 octave_idx_type n = ra_idx.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	789
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	790 if (n > 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	791 buf << ra_idx(0);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	792
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	793 for (octave_idx_type i = 1; i < n; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	794 buf << ", " << ra_idx(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	795
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	796 buf << "): range error";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	797
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	798 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	799
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	800 (*current_liboctave_error_handler) (buf_str.c_str ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	801
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	802 static T foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	803 return foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	804 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	805
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	806 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	807 Sparse<T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	808 Sparse<T>::reshape (const dim_vector& new_dims) const
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	809 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	810 Sparse<T> retval;
6689 8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	811 dim_vector dims2 = new_dims;
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	812
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	813 if (dims2.length () > 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	814 {
6814 8c89a644df8a [project @ 2007-08-14 17:30:59 by jwe] jwe parents: 6813 diff changeset	815 (*current_liboctave_warning_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	816 ("reshape: sparse reshape to N-d array smashes dims");
6814 8c89a644df8a [project @ 2007-08-14 17:30:59 by jwe] jwe parents: 6813 diff changeset	817
6689 8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	818 for (octave_idx_type i = 2; i < dims2.length(); i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	819 dims2(1) *= dims2(i);
6814 8c89a644df8a [project @ 2007-08-14 17:30:59 by jwe] jwe parents: 6813 diff changeset	820
6689 8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	821 dims2.resize (2);
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	822 }
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	823
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	824 if (dimensions != dims2)
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	825 {
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	826 if (dimensions.numel () == dims2.numel ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	827 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	828 octave_idx_type new_nnz = nnz ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	829 octave_idx_type new_nr = dims2 (0);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	830 octave_idx_type new_nc = dims2 (1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	831 octave_idx_type old_nr = rows ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	832 octave_idx_type old_nc = cols ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	833 retval = Sparse<T> (new_nr, new_nc, new_nnz);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	834
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	835 octave_idx_type kk = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	836 retval.xcidx(0) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	837 for (octave_idx_type i = 0; i < old_nc; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	838 for (octave_idx_type j = cidx(i); j < cidx(i+1); j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	839 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	840 octave_idx_type tmp = i * old_nr + ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	841 octave_idx_type ii = tmp % new_nr;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	842 octave_idx_type jj = (tmp - ii) / new_nr;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	843 for (octave_idx_type k = kk; k < jj; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	844 retval.xcidx(k+1) = j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	845 kk = jj;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	846 retval.xdata(j) = data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	847 retval.xridx(j) = ii;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	848 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	849 for (octave_idx_type k = kk; k < new_nc; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	850 retval.xcidx(k+1) = new_nnz;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	851 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	852 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	853 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	854 std::string dimensions_str = dimensions.str ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	855 std::string new_dims_str = new_dims.str ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	856
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	857 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	858 ("reshape: can't reshape %s array to %s array",
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	859 dimensions_str.c_str (), new_dims_str.c_str ());
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	860 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	861 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	862 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	863 retval = *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	864
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	865 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	866 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	867
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	868 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	869 Sparse<T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	870 Sparse<T>::permute (const Array<octave_idx_type>& perm_vec, bool) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	871 {
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	872 // The only valid permutations of a sparse array are [1, 2] and [2, 1].
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	873
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	874 bool fail = false;
6817 2e7f62e52c13 [project @ 2007-08-19 19:36:40 by dbateman] dbateman parents: 6814 diff changeset	875 bool trans = false;
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	876
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	877 if (perm_vec.length () == 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	878 {
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	879 if (perm_vec(0) == 0 && perm_vec(1) == 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	880 /* do nothing */;
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	881 else if (perm_vec(0) == 1 && perm_vec(1) == 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	882 trans = true;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	883 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	884 fail = true;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	885 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	886 else
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	887 fail = true;
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	888
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	889 if (fail)
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	890 (*current_liboctave_error_handler)
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	891 ("permutation vector contains an invalid element");
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	892
6817 2e7f62e52c13 [project @ 2007-08-19 19:36:40 by dbateman] dbateman parents: 6814 diff changeset	893 return trans ? this->transpose () : *this;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	894 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	895
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	896 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	897 void
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	898 Sparse<T>::resize1 (octave_idx_type n)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	899 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	900 octave_idx_type nr = rows (), nc = cols ();
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	901
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	902 if (nr == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	903 resize (1, std::max (nc, n));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	904 else if (nc == 0)
10520 72c90e7132a9 fix failing sparse assignment tests Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	905 resize (nr, (n + nr - 1) / nr); // Ain't it wicked?
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	906 else if (nr == 1)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	907 resize (1, n);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	908 else if (nc == 1)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	909 resize (n, 1);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	910 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	911 gripe_invalid_resize ();
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	912 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	913
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	914 template <class T>
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	915 void
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	916 Sparse<T>::resize (const dim_vector& dv)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	917 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	918 octave_idx_type n = dv.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	919
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	920 if (n != 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	921 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	922 (*current_liboctave_error_handler) ("sparse array must be 2-D");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	923 return;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	924 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	925
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	926 resize (dv(0), dv(1));
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	927 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	928
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	929 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	930 void
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	931 Sparse<T>::resize (octave_idx_type r, octave_idx_type c)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	932 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	933 if (r < 0 \|\| c < 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	934 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	935 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	936 ("can't resize to negative dimension");
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	937 return;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	938 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	939
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	940 if (r == dim1 () && c == dim2 ())
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	941 return;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	942
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	943 // This wouldn't be necessary for r >= rows () if nrows wasn't part of the
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	944 // Sparse rep. It is not good for anything in there.
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	945 make_unique ();
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	946
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	947 if (r < rows ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	948 {
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	949 octave_idx_type i = 0, k = 0;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	950 for (octave_idx_type j = 1; j <= rep->ncols; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	951 {
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	952 octave_idx_type u = xcidx(j);
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	953 for (i = i; i < u; i++)
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	954 if (xridx(i) < r)
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	955 {
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	956 xdata(k) = xdata(i);
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	957 xridx(k++) = xridx(i);
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	958 }
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	959 xcidx(j) = k;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	960 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	961 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	962
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	963 rep->nrows = dimensions(0) = r;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	964
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	965 if (c != rep->ncols)
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	966 {
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	967 octave_idx_type *new_cidx = new octave_idx_type [c+1];
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	968 copy_or_memcpy (std::min (c, rep->ncols)+1, rep->c, new_cidx);
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	969 delete [] rep->c;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	970 rep->c = new_cidx;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	971
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	972 if (c > rep->ncols)
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	973 fill_or_memset (c - rep->ncols, rep->c[rep->ncols], rep->c + rep->ncols + 1);
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	974 }
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	975
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	976 rep->ncols = dimensions(1) = c;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	977
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	978 rep->change_length (rep->nnz ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	979 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	980
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	981 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	982 Sparse<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	983 Sparse<T>::insert (const Sparse<T>& a, octave_idx_type r, octave_idx_type c)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	984 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	985 octave_idx_type a_rows = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	986 octave_idx_type a_cols = a.cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	987 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	988 octave_idx_type nc = cols ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	989
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	990 if (r < 0 \|\| r + a_rows > rows () \|\| c < 0 \|\| c + a_cols > cols ())
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	991 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	992 (*current_liboctave_error_handler) ("range error for insert");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	993 return *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	994 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	995
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	996 // First count the number of elements in the final array
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	997 octave_idx_type nel = cidx(c) + a.nnz ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	998
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	999 if (c + a_cols < nc)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1000 nel += cidx(nc) - cidx(c + a_cols);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1001
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1002 for (octave_idx_type i = c; i < c + a_cols; i++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1003 for (octave_idx_type j = cidx(i); j < cidx(i+1); j++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1004 if (ridx(j) < r \|\| ridx(j) >= r + a_rows)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1005 nel++;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1006
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1007 Sparse<T> tmp (*this);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1008 --rep->count;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1009 rep = new typename Sparse<T>::SparseRep (nr, nc, nel);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1010
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1011 for (octave_idx_type i = 0; i < tmp.cidx(c); i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1012 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1013 data(i) = tmp.data(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1014 ridx(i) = tmp.ridx(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1015 }
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1016 for (octave_idx_type i = 0; i < c + 1; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1017 cidx(i) = tmp.cidx(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1018
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1019 octave_idx_type ii = cidx(c);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1020
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1021 for (octave_idx_type i = c; i < c + a_cols; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1022 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	1023 octave_quit ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1024
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1025 for (octave_idx_type j = tmp.cidx(i); j < tmp.cidx(i+1); j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1026 if (tmp.ridx(j) < r)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1027 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1028 data(ii) = tmp.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1029 ridx(ii++) = tmp.ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1030 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1031
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	1032 octave_quit ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1033
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1034 for (octave_idx_type j = a.cidx(i-c); j < a.cidx(i-c+1); j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1035 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1036 data(ii) = a.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1037 ridx(ii++) = r + a.ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1038 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1039
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	1040 octave_quit ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1041
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1042 for (octave_idx_type j = tmp.cidx(i); j < tmp.cidx(i+1); j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1043 if (tmp.ridx(j) >= r + a_rows)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1044 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1045 data(ii) = tmp.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1046 ridx(ii++) = tmp.ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1047 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1048
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1049 cidx(i+1) = ii;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1050 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1051
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1052 for (octave_idx_type i = c + a_cols; i < nc; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1053 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1054 for (octave_idx_type j = tmp.cidx(i); j < tmp.cidx(i+1); j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1055 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1056 data(ii) = tmp.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1057 ridx(ii++) = tmp.ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1058 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1059 cidx(i+1) = ii;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1060 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1061
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1062 return *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1063 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1064
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1065 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1066 Sparse<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1067 Sparse<T>::insert (const Sparse<T>& a, const Array<octave_idx_type>& ra_idx)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1068 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1069
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1070 if (ra_idx.length () != 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1071 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1072 (*current_liboctave_error_handler) ("range error for insert");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1073 return *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1074 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1075
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1076 return insert (a, ra_idx (0), ra_idx (1));
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1077 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1078
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1079 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1080 Sparse<T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1081 Sparse<T>::transpose (void) const
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1082 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1083 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1084
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1085 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1086 octave_idx_type nc = cols ();
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1087 octave_idx_type nz = nnz ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1088 Sparse<T> retval (nc, nr, nz);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1089
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1090 for (octave_idx_type i = 0; i < nz; i++)
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1091 retval.xcidx (ridx (i) + 1)++;
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1092 // retval.xcidx[1:nr] holds the row degrees for rows 0:(nr-1)
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1093 nz = 0;
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1094 for (octave_idx_type i = 1; i <= nr; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1095 {
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1096 const octave_idx_type tmp = retval.xcidx (i);
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1097 retval.xcidx (i) = nz;
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1098 nz += tmp;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1099 }
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1100 // retval.xcidx[1:nr] holds row entry start offsets for rows 0:(nr-1)
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1101
69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1102 for (octave_idx_type j = 0; j < nc; j++)
69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1103 for (octave_idx_type k = cidx(j); k < cidx(j+1); k++)
69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1104 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1105 octave_idx_type q = retval.xcidx (ridx (k) + 1)++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1106 retval.xridx (q) = j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1107 retval.xdata (q) = data (k);
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1108 }
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1109 assert (nnz () == retval.xcidx (nr));
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1110 // retval.xcidx[1:nr] holds row entry end offsets for rows 0:(nr-1)
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1111 // and retval.xcidx[0:(nr-1)] holds their row entry start offsets
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1112
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1113 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1114 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1115
10493 2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1116 // Lower bound lookup. Could also use octave_sort, but that has upper bound
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1117 // semantics, so requires some manipulation to set right. Uses a plain loop for
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1118 // small columns.
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1119 static octave_idx_type
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1120 lblookup (const octave_idx_type *ridx, octave_idx_type nr,
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1121 octave_idx_type ri)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1122 {
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1123 if (nr <= 8)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1124 {
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1125 octave_idx_type l;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1126 for (l = 0; l < nr; l++)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1127 if (ridx[l] >= ri)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1128 break;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1129 return l;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1130 }
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1131 else
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1132 return std::lower_bound (ridx, ridx + nr, ri) - ridx;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1133 }
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1134
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1135 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1136 void
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1137 Sparse<T>::delete_elements (const idx_vector& idx)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1138 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1139 Sparse<T> retval;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1140
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1141 assert (ndims () == 2);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1142
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1143 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1144 octave_idx_type nc = dim2 ();
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1145 octave_idx_type nz = nnz ();
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1146
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1147 octave_idx_type nel = numel (); // Can throw.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1148
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1149 const dim_vector idx_dims = idx.orig_dimensions ();
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1150
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1151 if (idx.extent (nel) > nel)
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1152 gripe_del_index_out_of_range (true, idx.extent (nel), nel);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1153 else if (nc == 1)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1154 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1155 // Sparse column vector.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1156 const Sparse<T> tmp = *this; // constant copy to prevent COW.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1157
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1158 octave_idx_type lb, ub;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1159
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1160 if (idx.is_cont_range (nel, lb, ub))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1161 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1162 // Special-case a contiguous range.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1163 // Look-up indices first.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1164 octave_idx_type li = lblookup (tmp.ridx (), nz, lb);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1165 octave_idx_type ui = lblookup (tmp.ridx (), nz, ub);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1166 // Copy data and adjust indices.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1167 octave_idx_type nz_new = nz - (ui - li);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1168 *this = Sparse<T> (nr - (ub - lb), 1, nz_new);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1169 copy_or_memcpy (li, tmp.data (), data ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1170 copy_or_memcpy (li, tmp.ridx (), xridx ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1171 copy_or_memcpy (nz - ui, tmp.data () + ui, xdata () + li);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1172 mx_inline_sub (nz - ui, xridx () + li, tmp.ridx () + ui, ub - lb);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1173 xcidx(1) = nz_new;
10382 1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1174 }
1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1175 else
1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1176 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1177 OCTAVE_LOCAL_BUFFER (octave_idx_type, ridx_new, nz);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1178 OCTAVE_LOCAL_BUFFER (T, data_new, nz);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1179 idx_vector sidx = idx.sorted (true);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1180 const octave_idx_type *sj = sidx.raw ();
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1181 octave_idx_type sl = sidx.length (nel), nz_new = 0, j = 0;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1182 for (octave_idx_type i = 0; i < nz; i++)
10382 1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1183 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1184 octave_idx_type r = tmp.ridx(i);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1185 for (;j < sl && sj[j] < r; j++) ;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1186 if (j == sl \|\| sj[j] > r)
10382 1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1187 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1188 data_new[nz_new] = tmp.data(i);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1189 ridx_new[nz_new++] = r - j;
10382 1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1190 }
1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1191 }
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1192
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1193 *this = Sparse<T> (nr - sl, 1, nz_new);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1194 copy_or_memcpy (nz_new, ridx_new, ridx ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1195 copy_or_memcpy (nz_new, data_new, xdata ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1196 xcidx(1) = nz_new;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1197 }
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1198 }
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1199 else if (nr == 1)
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1200 {
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1201 // Sparse row vector.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1202 octave_idx_type lb, ub;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1203 if (idx.is_cont_range (nc, lb, ub))
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1204 {
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1205 const Sparse<T> tmp = *this;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1206 octave_idx_type lbi = tmp.cidx(lb), ubi = tmp.cidx(ub), new_nz = nz - (ubi - lbi);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1207 *this = Sparse<T> (1, nc - (ub - lb), new_nz);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1208 copy_or_memcpy (lbi, tmp.data (), data ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1209 copy_or_memcpy (nz - ubi, tmp.data () + ubi, xdata () + lbi);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1210 fill_or_memset (new_nz, static_cast<octave_idx_type> (0), ridx ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1211 copy_or_memcpy (lb, tmp.cidx () + 1, cidx () + 1);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1212 mx_inline_sub (nc - ub, xcidx () + 1, tmp.cidx () + ub + 1, ubi - lbi);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1213 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1214 else
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1215 *this = index (idx.complement (nc));
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1216 }
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1217 else
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1218 {
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1219 *this = index (idx_vector::colon);
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1220 delete_elements (idx);
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1221 *this = transpose (); // We want a row vector.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1222 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1223 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1224
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1225 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1226 void
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1227 Sparse<T>::delete_elements (const idx_vector& idx_i, const idx_vector& idx_j)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1228 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1229 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1230
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1231 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1232 octave_idx_type nc = dim2 ();
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1233 octave_idx_type nz = nnz ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1234
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1235 if (idx_i.is_colon ())
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1236 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1237 // Deleting columns.
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1238 octave_idx_type lb, ub;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1239 if (idx_j.extent (nc) > nc)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1240 gripe_del_index_out_of_range (false, idx_j.extent (nc), nc);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1241 else if (idx_j.is_cont_range (nc, lb, ub))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1242 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1243 const Sparse<T> tmp = *this;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1244 octave_idx_type lbi = tmp.cidx(lb), ubi = tmp.cidx(ub), new_nz = nz - (ubi - lbi);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1245 *this = Sparse<T> (nr, nc - (ub - lb), new_nz);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1246 copy_or_memcpy (lbi, tmp.data (), data ());
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1247 copy_or_memcpy (lbi, tmp.ridx (), ridx ());
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1248 copy_or_memcpy (nz - ubi, tmp.data () + ubi, xdata () + lbi);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1249 copy_or_memcpy (nz - ubi, tmp.ridx () + ubi, xridx () + lbi);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1250 copy_or_memcpy (lb, tmp.cidx () + 1, cidx () + 1);
14860 62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	1251 mx_inline_sub (nc - ub, xcidx () + lb + 1,
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	1252 tmp.cidx () + ub + 1, ubi - lbi);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1253 }
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1254 else
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1255 *this = index (idx_i, idx_j.complement (nc));
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1256 }
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1257 else if (idx_j.is_colon ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1258 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1259 // Deleting rows.
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1260 octave_idx_type lb, ub;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1261 if (idx_i.extent (nr) > nr)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1262 gripe_del_index_out_of_range (false, idx_i.extent (nr), nr);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1263 else if (idx_i.is_cont_range (nr, lb, ub))
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1264 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1265 // This is more memory-efficient than the approach below.
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1266 const Sparse<T> tmpl = index (idx_vector (0, lb), idx_j);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1267 const Sparse<T> tmpu = index (idx_vector (ub, nr), idx_j);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1268 *this = Sparse<T> (nr - (ub - lb), nc, tmpl.nnz () + tmpu.nnz ());
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1269 for (octave_idx_type j = 0, k = 0; j < nc; j++)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1270 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1271 for (octave_idx_type i = tmpl.cidx(j); i < tmpl.cidx(j+1); i++)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1272 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1273 xdata(k) = tmpl.data(i);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1274 xridx(k++) = tmpl.ridx(i);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1275 }
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1276 for (octave_idx_type i = tmpu.cidx(j); i < tmpu.cidx(j+1); i++)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1277 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1278 xdata(k) = tmpu.data(i);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1279 xridx(k++) = tmpu.ridx(i) + lb;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1280 }
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1281
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1282 xcidx(j+1) = k;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1283 }
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1284 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1285 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1286 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1287 // This is done by transposing, deleting columns, then transposing
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1288 // again.
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1289 Sparse<T> tmp = transpose ();
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1290 tmp.delete_elements (idx_j, idx_i);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1291 *this = tmp.transpose ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1292 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1293 }
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1294 else
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1295 (*current_liboctave_error_handler)
11590 4ced6b90fffb style fixes for warning and error messages in source files John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1296 ("a null assignment can only have one non-colon index");
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1297 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1298
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1299 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1300 void
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1301 Sparse<T>::delete_elements (int dim, const idx_vector& idx)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1302 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1303 if (dim == 0)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1304 delete_elements (idx, idx_vector::colon);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1305 else if (dim == 1)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1306 delete_elements (idx_vector::colon, idx);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1307 else
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1308 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1309 (*current_liboctave_error_handler)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1310 ("invalid dimension in delete_elements");
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1311 return;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1312 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1313 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1314
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1315 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1316 Sparse<T>
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1317 Sparse<T>::index (const idx_vector& idx, bool resize_ok) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1318 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1319 Sparse<T> retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1320
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1321 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1322
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1323 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1324 octave_idx_type nc = dim2 ();
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	1325 octave_idx_type nz = nnz ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1326
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1327 octave_idx_type nel = numel (); // Can throw.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1328
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1329 const dim_vector idx_dims = idx.orig_dimensions ();
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1330
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1331 if (idx_dims.length () > 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1332 (*current_liboctave_error_handler)
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1333 ("cannot index sparse matrix with an N-D Array");
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1334 else if (idx.is_colon ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1335 {
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1336 if (nc == 1)
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1337 retval = *this;
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1338 else
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1339 {
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1340 // Fast magic colon processing.
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1341 retval = Sparse<T> (nel, 1, nz);
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1342
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1343 for (octave_idx_type i = 0; i < nc; i++)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1344 {
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1345 for (octave_idx_type j = cidx(i); j < cidx(i+1); j++)
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1346 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1347 retval.xdata(j) = data(j);
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1348 retval.xridx(j) = ridx(j) + i * nr;
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1349 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1350 }
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1351
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1352 retval.xcidx(0) = 0;
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1353 retval.xcidx(1) = nz;
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1354 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1355 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1356 else if (idx.extent (nel) > nel)
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1357 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1358 // resize_ok is completely handled here.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1359 if (resize_ok)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1360 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1361 octave_idx_type ext = idx.extent (nel);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1362 Sparse<T> tmp = *this;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1363 tmp.resize1 (ext);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1364 retval = tmp.index (idx);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1365 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1366 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1367 gripe_index_out_of_range (1, 1, idx.extent (nel), nel);
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1368 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1369 else if (nr == 1 && nc == 1)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1370 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1371 // You have to be pretty sick to get to this bit of code,
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1372 // since you have a scalar stored as a sparse matrix, and
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1373 // then want to make a dense matrix with sparse
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1374 // representation. Ok, we'll do it, but you deserve what
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1375 // you get!!
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1376 retval = Sparse<T> (idx_dims(0), idx_dims(1), nz ? data(0) : T ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1377 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1378 else if (nc == 1)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1379 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1380 // Sparse column vector.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1381 octave_idx_type lb, ub;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1382
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1383 if (idx.is_scalar ())
10382 1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1384 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1385 // Scalar index - just a binary lookup.
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1386 octave_idx_type i = lblookup (ridx (), nz, idx(0));
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1387 if (i < nz && ridx(i) == idx(0))
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1388 retval = Sparse (1, 1, data(i));
10382 1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1389 else
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1390 retval = Sparse (1, 1);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1391 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1392 else if (idx.is_cont_range (nel, lb, ub))
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1393 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1394 // Special-case a contiguous range.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1395 // Look-up indices first.
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1396 octave_idx_type li = lblookup (ridx (), nz, lb);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1397 octave_idx_type ui = lblookup (ridx (), nz, ub);
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1398 // Copy data and adjust indices.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1399 octave_idx_type nz_new = ui - li;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1400 retval = Sparse<T> (ub - lb, 1, nz_new);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1401 copy_or_memcpy (nz_new, data () + li, retval.data ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1402 mx_inline_sub (nz_new, retval.xridx (), ridx () + li, lb);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1403 retval.xcidx(1) = nz_new;
10382 1766c133674c Special case sparse index method for ranges and maybe_delete_elements method for sparse vectors David Bateman <dbateman@free.fr> parents: 10367 diff changeset	1404 }
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1405 else if (idx.is_permutation (nel) && idx.is_vector ())
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1406 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1407 if (idx.is_range () && idx.increment () == -1)
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1408 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1409 retval = Sparse<T> (nr, 1, nz);
14433 ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1410
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1411 for (octave_idx_type j = 0; j < nz; j++)
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1412 retval.ridx (j) = nr - ridx (nz - j - 1) - 1;
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1413
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1414 copy_or_memcpy (2, cidx (), retval.cidx ());
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1415 std::reverse_copy (data (), data () + nz, retval.data ());
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1416 }
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1417 else
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1418 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1419 Array<T> tmp = array_value ();
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1420 tmp = tmp.index (idx);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1421 retval = Sparse<T> (tmp);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1422 }
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1423 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1424 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1425 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1426 // If indexing a sparse column vector by a vector, the result is a
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1427 // sparse column vector, otherwise it inherits the shape of index.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1428 // Vector transpose is cheap, so do it right here.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1429 const Array<octave_idx_type> idxa = (idx_dims(0) == 1
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1430 ? idx.as_array ().transpose ()
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1431 : idx.as_array ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1432
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1433 octave_idx_type new_nr = idxa.rows (), new_nc = idxa.cols ();
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1434
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1435 // Lookup.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1436 // FIXME: Could specialize for sorted idx?
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1437 NoAlias< Array<octave_idx_type> > lidx (dim_vector (new_nr, new_nc));
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1438 for (octave_idx_type i = 0; i < new_nr*new_nc; i++)
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1439 lidx(i) = lblookup (ridx (), nz, idxa(i));
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1440
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1441 // Count matches.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1442 retval = Sparse<T> (idxa.rows (), idxa.cols ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1443 for (octave_idx_type j = 0; j < new_nc; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1444 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1445 octave_idx_type nzj = 0;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1446 for (octave_idx_type i = 0; i < new_nr; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1447 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1448 octave_idx_type l = lidx(i, j);
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1449 if (l < nz && ridx(l) == idxa(i, j))
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1450 nzj++;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1451 else
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1452 lidx(i, j) = nz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1453 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1454 retval.xcidx(j+1) = retval.xcidx(j) + nzj;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1455 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1456
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1457 retval.change_capacity (retval.xcidx(new_nc));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1458
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1459 // Copy data and set row indices.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1460 octave_idx_type k = 0;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1461 for (octave_idx_type j = 0; j < new_nc; j++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1462 for (octave_idx_type i = 0; i < new_nr; i++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1463 {
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1464 octave_idx_type l = lidx(i, j);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1465 if (l < nz)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1466 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1467 retval.data(k) = data(l);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1468 retval.xridx(k++) = i;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1469 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1470 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1471 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1472 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1473 else if (nr == 1)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1474 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1475 octave_idx_type lb, ub;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1476 if (idx.is_scalar ())
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1477 retval = Sparse<T> (1, 1, elem(0, idx(0)));
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1478 else if (idx.is_cont_range (nel, lb, ub))
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1479 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1480 // Special-case a contiguous range.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1481 octave_idx_type lbi = cidx(lb), ubi = cidx(ub), new_nz = ubi - lbi;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1482 retval = Sparse<T> (1, ub - lb, new_nz);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1483 copy_or_memcpy (new_nz, data () + lbi, retval.data ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1484 fill_or_memset (new_nz, static_cast<octave_idx_type> (0), retval.ridx ());
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1485 mx_inline_sub (ub - lb + 1, retval.cidx (), cidx () + lb, lbi);
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1486 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1487 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1488 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1489 // Sparse row vectors occupy O(nr) storage anyway, so let's just
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1490 // convert the matrix to full, index, and sparsify the result.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1491 retval = Sparse<T> (array_value ().index (idx));
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1492 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1493 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1494 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1495 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1496 if (nr != 0 && idx.is_scalar ())
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1497 retval = Sparse<T> (1, 1, elem (idx(0) % nr, idx(0) / nr));
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1498 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1499 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1500 // Indexing a non-vector sparse matrix by linear indexing.
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1501 // I suppose this is rare (and it may easily overflow), so let's take the easy way,
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1502 // and reshape first to column vector, which is already handled above.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1503 retval = index (idx_vector::colon).index (idx);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1504 // In this case we're supposed to always inherit the shape, but column(row) doesn't do
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1505 // it, so we'll do it instead.
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1506 if (idx_dims(0) == 1 && idx_dims(1) != 1)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1507 retval = retval.transpose ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1508 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1509 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1510
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1511 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1512 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1513
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1514 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1515 Sparse<T>
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1516 Sparse<T>::index (const idx_vector& idx_i, const idx_vector& idx_j, bool resize_ok) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1517 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1518 Sparse<T> retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1519
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1520 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1521
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1522 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1523 octave_idx_type nc = dim2 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1524
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1525 octave_idx_type n = idx_i.length (nr);
99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1526 octave_idx_type m = idx_j.length (nc);
99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1527
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1528 octave_idx_type lb, ub;
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1529
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1530 if (idx_i.extent (nr) > nr \|\| idx_j.extent (nc) > nc)
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1531 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1532 // resize_ok is completely handled here.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1533 if (resize_ok)
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1534 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1535 octave_idx_type ext_i = idx_i.extent (nr);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1536 octave_idx_type ext_j = idx_j.extent (nc);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1537 Sparse<T> tmp = *this;
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1538 tmp.resize (ext_i, ext_j);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1539 retval = tmp.index (idx_i, idx_j);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1540 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1541 else if (idx_i.extent (nr) > nr)
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1542 gripe_index_out_of_range (2, 1, idx_i.extent (nr), nr);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1543 else
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1544 gripe_index_out_of_range (2, 2, idx_j.extent (nc), nc);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1545 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1546 else if (idx_i.is_colon ())
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1547 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1548 // Great, we're just manipulating columns. This is going to be quite
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1549 // efficient, because the columns can stay compressed as they are.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1550 if (idx_j.is_colon ())
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1551 retval = *this; // Shallow copy.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1552 else if (idx_j.is_cont_range (nc, lb, ub))
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1553 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1554 // Special-case a contiguous range.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1555 octave_idx_type lbi = cidx(lb), ubi = cidx(ub), new_nz = ubi - lbi;
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1556 retval = Sparse<T> (nr, ub - lb, new_nz);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1557 copy_or_memcpy (new_nz, data () + lbi, retval.data ());
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1558 copy_or_memcpy (new_nz, ridx () + lbi, retval.ridx ());
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1559 mx_inline_sub (ub - lb + 1, retval.cidx (), cidx () + lb, lbi);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1560 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1561 else
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1562 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1563 // Count new nonzero elements.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1564 retval = Sparse<T> (nr, m);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1565 for (octave_idx_type j = 0; j < m; j++)
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1566 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1567 octave_idx_type jj = idx_j(j);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1568 retval.xcidx(j+1) = retval.xcidx(j) + (cidx(jj+1) - cidx(jj));
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1569 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1570
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1571 retval.change_capacity (retval.xcidx (m));
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1572
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1573 // Copy data & indices.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1574 for (octave_idx_type j = 0; j < m; j++)
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1575 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1576 octave_idx_type ljj = cidx(idx_j(j));
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1577 octave_idx_type lj = retval.xcidx(j), nzj = retval.xcidx(j+1) - lj;
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1578 copy_or_memcpy (nzj, data () + ljj, retval.data () + lj);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1579 copy_or_memcpy (nzj, ridx () + ljj, retval.ridx () + lj);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1580 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1581 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1582 }
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1583 else if (nc == 1 && idx_j.is_colon_equiv (nc) && idx_i.is_vector ())
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1584 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1585 // It's actually vector indexing. The 1D index is specialized for that.
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1586 retval = index (idx_i);
14861 b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14860 diff changeset	1587
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14860 diff changeset	1588 // If nr == 1 then the vector indexing will return a column vector!!
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14860 diff changeset	1589 if (nr == 1)
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14860 diff changeset	1590 retval.transpose();
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1591 }
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1592 else if (idx_i.is_scalar ())
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1593 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1594 octave_idx_type ii = idx_i(0);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1595 retval = Sparse<T> (1, m);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1596 OCTAVE_LOCAL_BUFFER (octave_idx_type, ij, m);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1597 for (octave_idx_type j = 0; j < m; j++)
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1598 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1599 octave_quit ();
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1600 octave_idx_type jj = idx_j(j), lj = cidx(jj), nzj = cidx(jj+1) - cidx(jj);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1601 // Scalar index - just a binary lookup.
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1602 octave_idx_type i = lblookup (ridx () + lj, nzj, ii);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1603 if (i < nzj && ridx(i+lj) == ii)
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1604 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1605 ij[j] = i + lj;
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1606 retval.xcidx(j+1) = retval.xcidx(j) + 1;
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1607 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1608 else
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1609 retval.xcidx(j+1) = retval.xcidx(j);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1610 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1611
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1612 retval.change_capacity (retval.xcidx(m));
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1613
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1614 // Copy data, adjust row indices.
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1615 for (octave_idx_type j = 0; j < m; j++)
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1616 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1617 octave_idx_type i = retval.xcidx(j);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1618 if (retval.xcidx(j+1) > i)
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1619 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1620 retval.xridx(i) = 0;
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1621 retval.xdata(i) = data(ij[j]);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1622 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1623 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1624 }
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1625 else if (idx_i.is_cont_range (nr, lb, ub))
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1626 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1627 retval = Sparse<T> (n, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1628 OCTAVE_LOCAL_BUFFER (octave_idx_type, li, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1629 OCTAVE_LOCAL_BUFFER (octave_idx_type, ui, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1630 for (octave_idx_type j = 0; j < m; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1631 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1632 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1633 octave_idx_type jj = idx_j(j), lj = cidx(jj), nzj = cidx(jj+1) - cidx(jj);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1634 octave_idx_type lij, uij;
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1635 // Lookup indices.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1636 li[j] = lij = lblookup (ridx () + lj, nzj, lb) + lj;
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1637 ui[j] = uij = lblookup (ridx () + lj, nzj, ub) + lj;
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1638 retval.xcidx(j+1) = retval.xcidx(j) + ui[j] - li[j];
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1639 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1640
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1641 retval.change_capacity (retval.xcidx(m));
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1642
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1643 // Copy data, adjust row indices.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1644 for (octave_idx_type j = 0, k = 0; j < m; j++)
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1645 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1646 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1647 for (octave_idx_type i = li[j]; i < ui[j]; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1648 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1649 retval.xdata(k) = data(i);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1650 retval.xridx(k++) = ridx(i) - lb;
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1651 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1652 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1653 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1654 else if (idx_i.is_permutation (nr))
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1655 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1656 // The columns preserve their length, we just need to renumber and sort them.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1657 // Count new nonzero elements.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1658 retval = Sparse<T> (nr, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1659 for (octave_idx_type j = 0; j < m; j++)
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1660 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1661 octave_idx_type jj = idx_j(j);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1662 retval.xcidx(j+1) = retval.xcidx(j) + (cidx(jj+1) - cidx(jj));
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1663 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1664
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1665 retval.change_capacity (retval.xcidx (m));
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1666
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1667 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1668
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1669 if (idx_i.is_range () && idx_i.increment () == -1)
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1670 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1671 // It's nr:-1:1. Just flip all columns.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1672 for (octave_idx_type j = 0; j < m; j++)
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1673 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1674 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1675 octave_idx_type jj = idx_j(j), lj = cidx(jj), nzj = cidx(jj+1) - cidx(jj);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1676 octave_idx_type li = retval.xcidx(j), uj = lj + nzj - 1;
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1677 for (octave_idx_type i = 0; i < nzj; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1678 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1679 retval.xdata(li + i) = data(uj - i); // Copy in reverse order.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1680 retval.xridx(li + i) = nr - 1 - ridx(uj - i); // Ditto with transform.
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1681 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1682 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1683 }
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1684 else
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1685 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1686 // Get inverse permutation.
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1687 idx_vector idx_iinv = idx_i.inverse_permutation (nr);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1688 const octave_idx_type *iinv = idx_iinv.raw ();
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1689
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1690 // Scatter buffer.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1691 OCTAVE_LOCAL_BUFFER (T, scb, nr);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1692 octave_idx_type *rri = retval.ridx ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1693
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1694 for (octave_idx_type j = 0; j < m; j++)
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1695 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1696 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1697 octave_idx_type jj = idx_j(j), lj = cidx(jj), nzj = cidx(jj+1) - cidx(jj);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1698 octave_idx_type li = retval.xcidx(j);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1699 // Scatter the column, transform indices.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1700 for (octave_idx_type i = 0; i < nzj; i++)
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1701 scb[rri[li + i] = iinv[ridx(lj + i)]] = data(lj + i);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1702
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1703 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1704
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1705 // Sort them.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1706 std::sort (rri + li, rri + li + nzj);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1707
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1708 // Gather.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1709 for (octave_idx_type i = 0; i < nzj; i++)
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1710 retval.xdata(li + i) = scb[rri[li + i]];
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1711 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1712 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1713
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1714 }
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1715 else if (idx_j.is_colon ())
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1716 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1717 // This requires uncompressing columns, which is generally costly,
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1718 // so we rely on the efficient transpose to handle this.
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1719 // It may still make sense to optimize some cases here.
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1720 retval = transpose ();
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1721 retval = retval.index (idx_vector::colon, idx_i);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1722 retval = retval.transpose ();
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1723 }
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1724 else
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1725 {
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1726 // A(I, J) is decomposed into A(:, J)(I, :).
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1727 retval = index (idx_vector::colon, idx_j);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1728 retval = retval.index (idx_i, idx_vector::colon);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1729 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1730
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1731 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1732 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1733
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1734 template <class T>
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1735 void
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1736 Sparse<T>::assign (const idx_vector& idx, const Sparse<T>& rhs)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1737 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1738 Sparse<T> retval;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1739
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1740 assert (ndims () == 2);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1741
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1742 octave_idx_type nr = dim1 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1743 octave_idx_type nc = dim2 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1744 octave_idx_type nz = nnz ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1745
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1746 octave_idx_type n = numel (); // Can throw.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1747
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1748 octave_idx_type rhl = rhs.numel ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1749
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1750 if (idx.length (n) == rhl)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1751 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1752 if (rhl == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1753 return;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1754
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1755 octave_idx_type nx = idx.extent (n);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1756 // Try to resize first if necessary.
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1757 if (nx != n)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1758 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1759 resize1 (nx);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1760 n = numel ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1761 nr = rows ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1762 nc = cols ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1763 // nz is preserved.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1764 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1765
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1766 if (idx.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1767 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1768 *this = rhs.reshape (dimensions);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1769 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1770 else if (nc == 1 && rhs.cols () == 1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1771 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1772 // Sparse column vector to sparse column vector assignment.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1773
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1774 octave_idx_type lb, ub;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1775 if (idx.is_cont_range (nr, lb, ub))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1776 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1777 // Special-case a contiguous range.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1778 // Look-up indices first.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1779 octave_idx_type li = lblookup (ridx (), nz, lb);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1780 octave_idx_type ui = lblookup (ridx (), nz, ub);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1781 octave_idx_type rnz = rhs.nnz (), new_nz = nz - (ui - li) + rnz;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1782
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1783 if (new_nz >= nz && new_nz <= capacity ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1784 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1785 // Adding/overwriting elements, enough capacity allocated.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1786
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1787 if (new_nz > nz)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1788 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1789 // Make room first.
11311 3bddc4ea8141 Fix bug #31734 where certain indices caused sparse matrices to segfault. Rik <octave@nomad.inbox5.com> parents: 10716 diff changeset	1790 std::copy_backward (data () + ui, data () + nz, data () + nz + rnz);
3bddc4ea8141 Fix bug #31734 where certain indices caused sparse matrices to segfault. Rik <octave@nomad.inbox5.com> parents: 10716 diff changeset	1791 std::copy_backward (ridx () + ui, ridx () + nz, ridx () + nz + rnz);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1792 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1793
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1794 // Copy data and adjust indices from rhs.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1795 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1796 mx_inline_add (rnz, ridx () + li, rhs.ridx (), lb);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1797 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1798 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1799 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1800 // Clearing elements or exceeding capacity, allocate afresh
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1801 // and paste pieces.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1802 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1803 *this = Sparse<T> (nr, 1, new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1804
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1805 // Head ...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1806 copy_or_memcpy (li, tmp.data (), data ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1807 copy_or_memcpy (li, tmp.ridx (), ridx ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1808
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1809 // new stuff ...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1810 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1811 mx_inline_add (rnz, ridx () + li, rhs.ridx (), lb);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1812
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1813 // ...tail
10543 f41c6634d5af fix bug in sparse vector assignment (bug #29646) Jaroslav Hajek <highegg@gmail.com> parents: 10535 diff changeset	1814 copy_or_memcpy (nz - ui, tmp.data () + ui, data () + li + rnz);
f41c6634d5af fix bug in sparse vector assignment (bug #29646) Jaroslav Hajek <highegg@gmail.com> parents: 10535 diff changeset	1815 copy_or_memcpy (nz - ui, tmp.ridx () + ui, ridx () + li + rnz);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1816 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1817
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1818 cidx(1) = new_nz;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1819 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1820 else if (idx.is_range () && idx.increment () == -1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1821 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1822 // It's s(u:-1:l) = r. Reverse the assignment.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1823 assign (idx.sorted (), rhs.index (idx_vector (rhl - 1, 0, -1)));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1824 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1825 else if (idx.is_permutation (n))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1826 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1827 *this = rhs.index (idx.inverse_permutation (n));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1828 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1829 else if (rhs.nnz () == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1830 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1831 // Elements are being zeroed.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1832 octave_idx_type *ri = ridx ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1833 for (octave_idx_type i = 0; i < rhl; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1834 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1835 octave_idx_type iidx = idx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1836 octave_idx_type li = lblookup (ri, nz, iidx);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1837 if (li != nz && ri[li] == iidx)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1838 xdata(li) = T();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1839 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1840
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1841 maybe_compress (true);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1842 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1843 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1844 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1845 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1846 octave_idx_type new_nz = nz + rhl;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1847 // Disassembly our matrix...
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1848 Array<octave_idx_type> new_ri (dim_vector (new_nz, 1));
57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1849 Array<T> new_data (dim_vector (new_nz, 1));
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1850 copy_or_memcpy (nz, tmp.ridx (), new_ri.fortran_vec ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1851 copy_or_memcpy (nz, tmp.data (), new_data.fortran_vec ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1852 // ... insert new data (densified) ...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1853 idx.copy_data (new_ri.fortran_vec () + nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1854 new_data.assign (idx_vector (nz, new_nz), rhs.array_value ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1855 // ... reassembly.
10586 ec3cec8277df fixes for --enable-64 John W. Eaton <jwe@octave.org> parents: 10543 diff changeset	1856 *this = Sparse<T> (new_data, new_ri,
ec3cec8277df fixes for --enable-64 John W. Eaton <jwe@octave.org> parents: 10543 diff changeset	1857 static_cast<octave_idx_type> (0),
ec3cec8277df fixes for --enable-64 John W. Eaton <jwe@octave.org> parents: 10543 diff changeset	1858 nr, nc, false);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1859 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1860 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1861 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1862 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1863 dim_vector save_dims = dimensions;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1864 *this = index (idx_vector::colon);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1865 assign (idx, rhs.index (idx_vector::colon));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1866 *this = reshape (save_dims);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1867 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1868 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1869 else if (rhl == 1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1870 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1871 rhl = idx.length (n);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1872 if (rhs.nnz () != 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1873 assign (idx, Sparse<T> (rhl, 1, rhs.data (0)));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1874 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1875 assign (idx, Sparse<T> (rhl, 1));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1876 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1877 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1878 gripe_invalid_assignment_size ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1879 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1880
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1881 template <class T>
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1882 void
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1883 Sparse<T>::assign (const idx_vector& idx_i,
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1884 const idx_vector& idx_j, const Sparse<T>& rhs)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1885 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1886 Sparse<T> retval;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1887
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1888 assert (ndims () == 2);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1889
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1890 octave_idx_type nr = dim1 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1891 octave_idx_type nc = dim2 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1892 octave_idx_type nz = nnz ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1893
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1894 octave_idx_type n = rhs.rows ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1895 octave_idx_type m = rhs.columns ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1896
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1897 // FIXME -- this should probably be written more like the
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1898 // Array<T>::assign function...
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1899
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1900 bool orig_zero_by_zero = (nr == 0 && nc == 0);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1901
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1902 if (orig_zero_by_zero \|\| (idx_i.length (nr) == n && idx_j.length (nc) == m))
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1903 {
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1904 octave_idx_type nrx;
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1905 octave_idx_type ncx;
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1906
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1907 if (orig_zero_by_zero)
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1908 {
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1909 if (idx_i.is_colon ())
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1910 {
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1911 nrx = n;
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1912
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1913 if (idx_j.is_colon ())
12318 211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	1914 ncx = m;
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1915 else
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1916 ncx = idx_j.extent (nc);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1917 }
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1918 else if (idx_j.is_colon ())
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1919 {
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1920 nrx = idx_i.extent (nr);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1921 ncx = m;
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1922 }
12318 211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	1923 else
211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	1924 {
211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	1925 nrx = idx_i.extent (nr);
211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	1926 ncx = idx_j.extent (nc);
211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	1927 }
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1928 }
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1929 else
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1930 {
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1931 nrx = idx_i.extent (nr);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1932 ncx = idx_j.extent (nc);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1933 }
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1934
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1935 // Try to resize first if necessary.
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1936 if (nrx != nr \|\| ncx != nc)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1937 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1938 resize (nrx, ncx);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1939 nr = rows ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1940 nc = cols ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1941 // nz is preserved.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1942 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1943
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1944 if (n == 0 \|\| m == 0)
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1945 return;
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	1946
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1947 if (idx_i.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1948 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1949 octave_idx_type lb, ub;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1950 // Great, we're just manipulating columns. This is going to be quite
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1951 // efficient, because the columns can stay compressed as they are.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1952 if (idx_j.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1953 *this = rhs; // Shallow copy.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1954 else if (idx_j.is_cont_range (nc, lb, ub))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1955 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1956 // Special-case a contiguous range.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1957 octave_idx_type li = cidx(lb), ui = cidx(ub);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1958 octave_idx_type rnz = rhs.nnz (), new_nz = nz - (ui - li) + rnz;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1959
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1960 if (new_nz >= nz && new_nz <= capacity ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1961 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1962 // Adding/overwriting elements, enough capacity allocated.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1963
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1964 if (new_nz > nz)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1965 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1966 // Make room first.
12511 85e87b865f71 Change copy_backward to copy in Sparse<T>::assign, bug #32747 Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12318 diff changeset	1967 std::copy (data () + ui, data () + nz,
85e87b865f71 Change copy_backward to copy in Sparse<T>::assign, bug #32747 Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12318 diff changeset	1968 data () + li + rnz);
85e87b865f71 Change copy_backward to copy in Sparse<T>::assign, bug #32747 Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12318 diff changeset	1969 std::copy (ridx () + ui, ridx () + nz,
85e87b865f71 Change copy_backward to copy in Sparse<T>::assign, bug #32747 Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12318 diff changeset	1970 ridx () + li + rnz);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1971 mx_inline_add2 (nc - ub, cidx () + ub + 1, new_nz - nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1972 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1973
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1974 // Copy data and indices from rhs.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1975 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1976 copy_or_memcpy (rnz, rhs.ridx (), ridx () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1977 mx_inline_add (ub - lb, cidx () + lb + 1, rhs.cidx () + 1, li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1978
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1979 assert (nnz () == new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1980 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1981 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1982 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1983 // Clearing elements or exceeding capacity, allocate afresh
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1984 // and paste pieces.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1985 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1986 *this = Sparse<T> (nr, nc, new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1987
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1988 // Head...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1989 copy_or_memcpy (li, tmp.data (), data ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1990 copy_or_memcpy (li, tmp.ridx (), ridx ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1991 copy_or_memcpy (lb, tmp.cidx () + 1, cidx () + 1);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1992
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1993 // new stuff...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1994 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1995 copy_or_memcpy (rnz, rhs.ridx (), ridx () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1996 mx_inline_add (ub - lb, cidx () + lb + 1, rhs.cidx () + 1, li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1997
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1998 // ...tail.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1999 copy_or_memcpy (nz - ui, tmp.data () + ui, data () + li + rnz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2000 copy_or_memcpy (nz - ui, tmp.ridx () + ui, ridx () + li + rnz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2001 mx_inline_add (nc - ub, cidx () + ub + 1, tmp.cidx () + ub + 1, new_nz - nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2002
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2003 assert (nnz () == new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2004 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2005 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2006 else if (idx_j.is_range () && idx_j.increment () == -1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2007 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2008 // It's s(:,u:-1:l) = r. Reverse the assignment.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2009 assign (idx_i, idx_j.sorted (), rhs.index (idx_i, idx_vector (m - 1, 0, -1)));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2010 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2011 else if (idx_j.is_permutation (nc))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2012 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2013 *this = rhs.index (idx_i, idx_j.inverse_permutation (nc));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2014 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2015 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2016 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2017 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2018 *this = Sparse<T> (nr, nc);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2019 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, jsav, nc, -1);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2020
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2021 // Assemble column lengths.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2022 for (octave_idx_type i = 0; i < nc; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2023 xcidx(i+1) = tmp.cidx(i+1) - tmp.cidx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2024
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2025 for (octave_idx_type i = 0; i < m; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2026 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2027 octave_idx_type j =idx_j(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2028 jsav[j] = i;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2029 xcidx(j+1) = rhs.cidx(i+1) - rhs.cidx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2030 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2031
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2032 // Make cumulative.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2033 for (octave_idx_type i = 0; i < nc; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2034 xcidx(i+1) += xcidx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2035
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2036 change_capacity (nnz ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2037
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2038 // Merge columns.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2039 for (octave_idx_type i = 0; i < nc; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2040 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2041 octave_idx_type l = xcidx(i), u = xcidx(i+1), j = jsav[i];
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2042 if (j >= 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2043 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2044 // from rhs
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2045 octave_idx_type k = rhs.cidx(j);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2046 copy_or_memcpy (u - l, rhs.data () + k, xdata () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2047 copy_or_memcpy (u - l, rhs.ridx () + k, xridx () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2048 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2049 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2050 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2051 // original
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2052 octave_idx_type k = tmp.cidx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2053 copy_or_memcpy (u - l, tmp.data () + k, xdata () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2054 copy_or_memcpy (u - l, tmp.ridx () + k, xridx () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2055 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2056 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2057
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2058 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2059 }
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	2060 else if (nc == 1 && idx_j.is_colon_equiv (nc) && idx_i.is_vector ())
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	2061 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	2062 // It's actually vector indexing. The 1D assign is specialized for that.
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	2063 assign (idx_i, rhs);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	2064 }
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2065 else if (idx_j.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2066 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2067 if (idx_i.is_permutation (nr))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2068 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2069 *this = rhs.index (idx_i.inverse_permutation (nr), idx_j);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2070 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2071 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2072 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2073 // FIXME: optimize more special cases?
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2074 // In general this requires unpacking the columns, which is slow,
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2075 // especially for many small columns. OTOH, transpose is an
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2076 // efficient O(nr+nc+nnz) operation.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2077 *this = transpose ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2078 assign (idx_vector::colon, idx_i, rhs.transpose ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2079 *this = transpose ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2080 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2081 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2082 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2083 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2084 // Split it into 2 assignments and one indexing.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2085 Sparse<T> tmp = index (idx_vector::colon, idx_j);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2086 tmp.assign (idx_i, idx_vector::colon, rhs);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2087 assign (idx_vector::colon, idx_j, tmp);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2088 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2089 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2090 else if (m == 1 && n == 1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2091 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2092 n = idx_i.length (nr);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2093 m = idx_j.length (nc);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2094 if (rhs.nnz () != 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2095 assign (idx_i, idx_j, Sparse<T> (n, m, rhs.data (0)));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2096 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2097 assign (idx_i, idx_j, Sparse<T> (n, m));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2098 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2099 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2100 gripe_assignment_dimension_mismatch ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2101 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2102
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2103 // Can't use versions of these in Array.cc due to duplication of the
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2104 // instantiations for Array<double and Sparse<double>, etc
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2105 template <class T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2106 bool
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2107 sparse_ascending_compare (typename ref_param<T>::type a,
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2108 typename ref_param<T>::type b)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2109 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2110 return (a < b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2111 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2112
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2113 template <class T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2114 bool
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2115 sparse_descending_compare (typename ref_param<T>::type a,
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2116 typename ref_param<T>::type b)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2117 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2118 return (a > b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2119 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2120
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2121 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2122 Sparse<T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2123 Sparse<T>::sort (octave_idx_type dim, sortmode mode) const
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2124 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2125 Sparse<T> m = *this;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2126
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2127 octave_idx_type nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2128 octave_idx_type nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2129
10703 5eb420d92307 fix sort and nth_element when trailing singleton dim is specified Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	2130 if (m.length () < 1 \|\| dim > 1)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2131 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2132
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2133 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2134 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2135 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2136 nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2137 nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2138 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2139
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2140 octave_sort<T> lsort;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2141
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2142 if (mode == ASCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2143 lsort.set_compare (sparse_ascending_compare<T>);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2144 else if (mode == DESCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2145 lsort.set_compare (sparse_descending_compare<T>);
7463 2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2146 else
2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2147 abort ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2148
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2149 T *v = m.data ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2150 octave_idx_type *mcidx = m.cidx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2151 octave_idx_type *mridx = m.ridx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2152
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2153 for (octave_idx_type j = 0; j < nc; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2154 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2155 octave_idx_type ns = mcidx [j + 1] - mcidx [j];
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2156 lsort.sort (v, ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2157
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2158 octave_idx_type i;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2159 if (mode == ASCENDING)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2160 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2161 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2162 if (sparse_ascending_compare<T> (static_cast<T> (0), v [i]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2163 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2164 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2165 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2166 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2167 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2168 if (sparse_descending_compare<T> (static_cast<T> (0), v [i]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2169 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2170 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2171 for (octave_idx_type k = 0; k < i; k++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2172 mridx [k] = k;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2173 for (octave_idx_type k = i; k < ns; k++)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2174 mridx [k] = k - ns + nr;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2175
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2176 v += ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2177 mridx += ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2178 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2179
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2180 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2181 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2182
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2183 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2184 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2185
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2186 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2187 Sparse<T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2188 Sparse<T>::sort (Array<octave_idx_type> &sidx, octave_idx_type dim,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2189 sortmode mode) const
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2190 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2191 Sparse<T> m = *this;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2192
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2193 octave_idx_type nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2194 octave_idx_type nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2195
10703 5eb420d92307 fix sort and nth_element when trailing singleton dim is specified Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	2196 if (m.length () < 1 \|\| dim > 1)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2197 {
10703 5eb420d92307 fix sort and nth_element when trailing singleton dim is specified Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	2198 sidx = Array<octave_idx_type> (dim_vector (nr, nc), 1);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2199 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2200 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2201
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2202 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2203 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2204 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2205 nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2206 nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2207 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2208
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2209 octave_sort<T> indexed_sort;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2210
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2211 if (mode == ASCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2212 indexed_sort.set_compare (sparse_ascending_compare<T>);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2213 else if (mode == DESCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2214 indexed_sort.set_compare (sparse_descending_compare<T>);
7463 2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2215 else
2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2216 abort ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2217
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2218 T *v = m.data ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2219 octave_idx_type *mcidx = m.cidx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2220 octave_idx_type *mridx = m.ridx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2221
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2222 sidx = Array<octave_idx_type> (dim_vector (nr, nc));
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2223 OCTAVE_LOCAL_BUFFER (octave_idx_type, vi, nr);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2224
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2225 for (octave_idx_type j = 0; j < nc; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2226 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2227 octave_idx_type ns = mcidx [j + 1] - mcidx [j];
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2228 octave_idx_type offset = j * nr;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2229
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2230 if (ns == 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2231 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2232 for (octave_idx_type k = 0; k < nr; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2233 sidx (offset + k) = k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2234 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2235 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2236 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2237 for (octave_idx_type i = 0; i < ns; i++)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2238 vi[i] = mridx[i];
06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2239
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2240 indexed_sort.sort (v, vi, ns);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2241
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2242 octave_idx_type i;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2243 if (mode == ASCENDING)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2244 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2245 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2246 if (sparse_ascending_compare<T> (static_cast<T> (0), v[i]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2247 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2248 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2249 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2250 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2251 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2252 if (sparse_descending_compare<T> (static_cast<T> (0), v[i]))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2253 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2254 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2255
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2256 octave_idx_type ii = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2257 octave_idx_type jj = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2258 for (octave_idx_type k = 0; k < nr; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2259 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2260 if (ii < ns && mridx[ii] == k)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2261 ii++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2262 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2263 sidx (offset + jj++) = k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2264 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2265
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2266 for (octave_idx_type k = 0; k < i; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2267 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2268 sidx (k + offset) = vi [k];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2269 mridx [k] = k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2270 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2271
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2272 for (octave_idx_type k = i; k < ns; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2273 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2274 sidx (k - ns + nr + offset) = vi [k];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2275 mridx [k] = k - ns + nr;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2276 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2277
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2278 v += ns;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2279 mridx += ns;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2280 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2281 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2282
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2283 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2284 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2285 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2286 sidx = sidx.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2287 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2288
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2289 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2290 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2291
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2292 template <class T>
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2293 Sparse<T>
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2294 Sparse<T>::diag (octave_idx_type k) const
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2295 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2296 octave_idx_type nnr = rows ();
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2297 octave_idx_type nnc = cols ();
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2298 Sparse<T> d;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2299
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2300 if (nnr == 0 \|\| nnc == 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2301 ; // do nothing
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2302 else if (nnr != 1 && nnc != 1)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2303 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2304 if (k > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2305 nnc -= k;
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2306 else if (k < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2307 nnr += k;
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2308
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2309 if (nnr > 0 && nnc > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2310 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2311 octave_idx_type ndiag = (nnr < nnc) ? nnr : nnc;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2312
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2313 // Count the number of non-zero elements
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2314 octave_idx_type nel = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2315 if (k > 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2316 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2317 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2318 if (elem (i, i+k) != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2319 nel++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2320 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2321 else if ( k < 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2322 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2323 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2324 if (elem (i-k, i) != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2325 nel++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2326 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2327 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2328 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2329 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2330 if (elem (i, i) != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2331 nel++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2332 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2333
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2334 d = Sparse<T> (ndiag, 1, nel);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2335 d.xcidx (0) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2336 d.xcidx (1) = nel;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2337
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2338 octave_idx_type ii = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2339 if (k > 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2340 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2341 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2342 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2343 T tmp = elem (i, i+k);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2344 if (tmp != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2345 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2346 d.xdata (ii) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2347 d.xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2348 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2349 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2350 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2351 else if ( k < 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2352 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2353 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2354 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2355 T tmp = elem (i-k, i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2356 if (tmp != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2357 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2358 d.xdata (ii) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2359 d.xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2360 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2361 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2362 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2363 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2364 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2365 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2366 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2367 T tmp = elem (i, i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2368 if (tmp != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2369 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2370 d.xdata (ii) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2371 d.xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2372 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2373 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2374 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2375 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2376 else
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2377 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2378 ("diag: requested diagonal out of range");
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2379 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2380 else if (nnr != 0 && nnc != 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2381 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2382 octave_idx_type roff = 0;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2383 octave_idx_type coff = 0;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2384 if (k > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2385 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2386 roff = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2387 coff = k;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2388 }
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2389 else if (k < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2390 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2391 roff = -k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2392 coff = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2393 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2394
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2395 if (nnr == 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2396 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2397 octave_idx_type n = nnc + std::abs (k);
10506 bdf5d85cfc5e replace nzmax by nnz where appropriate in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10499 diff changeset	2398 octave_idx_type nz = nnz ();
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2399
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2400 d = Sparse<T> (n, n, nz);
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2401
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2402 if (nnz () > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2403 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2404 for (octave_idx_type i = 0; i < coff+1; i++)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2405 d.xcidx (i) = 0;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2406
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2407 for (octave_idx_type j = 0; j < nnc; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2408 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2409 for (octave_idx_type i = cidx(j); i < cidx(j+1); i++)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2410 {
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2411 d.xdata (i) = data (i);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2412 d.xridx (i) = j + roff;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2413 }
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2414 d.xcidx (j + coff + 1) = cidx(j+1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2415 }
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2416
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2417 for (octave_idx_type i = nnc + coff + 1; i < n + 1; i++)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2418 d.xcidx (i) = nz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2419 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2420 }
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2421 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2422 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2423 octave_idx_type n = nnr + std::abs (k);
10506 bdf5d85cfc5e replace nzmax by nnz where appropriate in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10499 diff changeset	2424 octave_idx_type nz = nnz ();
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2425
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2426 d = Sparse<T> (n, n, nz);
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2427
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2428 if (nnz () > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2429 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2430 octave_idx_type ii = 0;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2431 octave_idx_type ir = ridx(0);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2432
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2433 for (octave_idx_type i = 0; i < coff+1; i++)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2434 d.xcidx (i) = 0;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2435
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2436 for (octave_idx_type i = 0; i < nnr; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2437 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2438 if (ir == i)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2439 {
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2440 d.xdata (ii) = data (ii);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2441 d.xridx (ii++) = ir + roff;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2442
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2443 if (ii != nz)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2444 ir = ridx (ii);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2445 }
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2446 d.xcidx (i + coff + 1) = ii;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2447 }
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2448
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2449 for (octave_idx_type i = nnr + coff + 1; i < n+1; i++)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2450 d.xcidx (i) = nz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2451 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2452 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2453 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2454
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2455 return d;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2456 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2457
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2458 template <class T>
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2459 Sparse<T>
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2460 Sparse<T>::cat (int dim, octave_idx_type n, const Sparse<T> *sparse_list)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2461 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2462 // Default concatenation.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2463 bool (dim_vector::*concat_rule) (const dim_vector&, int) = &dim_vector::concat;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2464
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2465 if (dim == -1 \|\| dim == -2)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2466 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2467 concat_rule = &dim_vector::hvcat;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2468 dim = -dim - 1;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2469 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2470 else if (dim < 0)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2471 (*current_liboctave_error_handler)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2472 ("cat: invalid dimension");
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2473
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2474 dim_vector dv;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2475 octave_idx_type total_nz = 0;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2476 if (dim == 0 \|\| dim == 1)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2477 {
10535 3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2478 if (n == 1)
3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2479 return sparse_list[0];
3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2480
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2481 for (octave_idx_type i = 0; i < n; i++)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2482 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2483 if (! (dv.*concat_rule) (sparse_list[i].dims (), dim))
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2484 (*current_liboctave_error_handler)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2485 ("cat: dimension mismatch");
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2486 total_nz += sparse_list[i].nnz ();
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2487 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2488 }
10535 3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2489 else
3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2490 (*current_liboctave_error_handler)
3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2491 ("cat: invalid dimension for sparse concatenation");
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2492
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2493 Sparse<T> retval (dv, total_nz);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2494
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2495 if (retval.is_empty ())
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2496 return retval;
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2497
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2498 switch (dim)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2499 {
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2500 case 0:
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2501 {
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2502 // sparse vertcat. This is not efficiently handled by assignment, so
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2503 // we'll do it directly.
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2504 octave_idx_type l = 0;
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2505 for (octave_idx_type j = 0; j < dv(1); j++)
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2506 {
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2507 octave_quit ();
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2508
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2509 octave_idx_type rcum = 0;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2510 for (octave_idx_type i = 0; i < n; i++)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2511 {
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2512 const Sparse<T>& spi = sparse_list[i];
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2513 // Skipping empty matrices. See the comment in Array.cc.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2514 if (spi.is_empty ())
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2515 continue;
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2516
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2517 octave_idx_type kl = spi.cidx(j), ku = spi.cidx(j+1);
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2518 for (octave_idx_type k = kl; k < ku; k++, l++)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2519 {
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2520 retval.xridx(l) = spi.ridx(k) + rcum;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2521 retval.xdata(l) = spi.data(k);
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2522 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2523
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2524 rcum += spi.rows ();
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2525 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2526
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2527 retval.xcidx(j+1) = l;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2528 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2529
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2530 break;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2531 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2532 case 1:
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2533 {
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2534 octave_idx_type l = 0;
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2535 for (octave_idx_type i = 0; i < n; i++)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2536 {
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2537 octave_quit ();
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2538
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2539 // Skipping empty matrices. See the comment in Array.cc.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2540 if (sparse_list[i].is_empty ())
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2541 continue;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2542
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2543 octave_idx_type u = l + sparse_list[i].columns ();
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2544 retval.assign (idx_vector::colon, idx_vector (l, u), sparse_list[i]);
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2545 l = u;
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2546 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2547
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2548 break;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2549 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2550 default:
10535 3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2551 assert (false);
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2552 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2553
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2554 return retval;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2555 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2556
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2557 template <class T>
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2558 Array<T>
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2559 Sparse<T>::array_value () const
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2560 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2561 NoAlias< Array<T> > retval (dims (), T());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2562 if (rows () == 1)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2563 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2564 octave_idx_type i = 0;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2565 for (octave_idx_type j = 0, nc = cols (); j < nc; j++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2566 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2567 if (cidx(j+1) > i)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2568 retval(j) = data (i++);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2569 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2570 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2571 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2572 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2573 for (octave_idx_type j = 0, nc = cols (); j < nc; j++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2574 for (octave_idx_type i = cidx(j), iu = cidx(j+1); i < iu; i++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2575 retval (ridx(i), j) = data (i);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2576 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2577
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2578 return retval;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2579 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2580
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2581 /*
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2582 * Tests
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2583 *
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2584
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2585 %!function x = set_slice(x, dim, slice, arg)
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2586 %! switch dim
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2587 %! case 11
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2588 %! x(slice) = 2;
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2589 %! case 21
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2590 %! x(slice, :) = 2;
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2591 %! case 22
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2592 %! x(:, slice) = 2;
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2593 %! otherwise
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2594 %! error("invalid dim, '%d'", dim);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2595 %! endswitch
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2596 %! endfunction
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2597
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2598 %!function x = set_slice2(x, dim, slice)
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2599 %! switch dim
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2600 %! case 11
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2601 %! x(slice) = 2 * ones (size(slice));
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2602 %! case 21
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2603 %! x(slice, :) = 2 * ones (length(slice), columns (x));
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2604 %! case 22
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2605 %! x(:, slice) = 2 * ones (rows (x), length(slice));
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2606 %! otherwise
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2607 %! error("invalid dim, '%d'", dim);
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2608 %! endswitch
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2609 %! endfunction
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2610
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2611 %!function test_sparse_slice(size, dim, slice)
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2612 %! x = ones(size);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2613 %! s = set_slice(sparse(x), dim, slice);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2614 %! f = set_slice(x, dim, slice);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2615 %! assert (nnz(s), nnz(f));
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2616 %! assert(full(s), f);
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2617 %! s = set_slice2(sparse(x), dim, slice);
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2618 %! f = set_slice2(x, dim, slice);
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2619 %! assert (nnz(s), nnz(f));
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2620 %! assert(full(s), f);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2621 %! endfunction
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2622
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2623 #### 1d indexing
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2624
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2625 ## size = [2 0]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2626 %!test test_sparse_slice([2 0], 11, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2627 %!assert(set_slice(sparse(ones([2 0])), 11, 1), sparse([2 0]')); # sparse different from full
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2628 %!assert(set_slice(sparse(ones([2 0])), 11, 2), sparse([0 2]')); # sparse different from full
10520 72c90e7132a9 fix failing sparse assignment tests Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	2629 %!assert(set_slice(sparse(ones([2 0])), 11, 3), sparse([0 0; 2 0]')); # sparse different from full
72c90e7132a9 fix failing sparse assignment tests Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	2630 %!assert(set_slice(sparse(ones([2 0])), 11, 4), sparse([0 0; 0 2]')); # sparse different from full
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2631
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2632 ## size = [0 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2633 %!test test_sparse_slice([0 2], 11, []);
10521 4d1fc073fbb7 add some missing copyright stmts Jaroslav Hajek <highegg@gmail.com> parents: 10520 diff changeset	2634 %!assert(set_slice(sparse(ones([0 2])), 11, 1), sparse([2 0])); # sparse different from full
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2635 %!test test_sparse_slice([0 2], 11, 2);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2636 %!test test_sparse_slice([0 2], 11, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2637 %!test test_sparse_slice([0 2], 11, 4);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2638 %!test test_sparse_slice([0 2], 11, [4, 4]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2639
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2640 ## size = [2 1]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2641 %!test test_sparse_slice([2 1], 11, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2642 %!test test_sparse_slice([2 1], 11, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2643 %!test test_sparse_slice([2 1], 11, 2);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2644 %!test test_sparse_slice([2 1], 11, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2645 %!test test_sparse_slice([2 1], 11, 4);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2646 %!test test_sparse_slice([2 1], 11, [4, 4]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2647
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2648 ## size = [1 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2649 %!test test_sparse_slice([1 2], 11, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2650 %!test test_sparse_slice([1 2], 11, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2651 %!test test_sparse_slice([1 2], 11, 2);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2652 %!test test_sparse_slice([1 2], 11, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2653 %!test test_sparse_slice([1 2], 11, 4);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2654 %!test test_sparse_slice([1 2], 11, [4, 4]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2655
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2656 ## size = [2 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2657 %!test test_sparse_slice([2 2], 11, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2658 %!test test_sparse_slice([2 2], 11, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2659 %!test test_sparse_slice([2 2], 11, 2);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2660 %!test test_sparse_slice([2 2], 11, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2661 %!test test_sparse_slice([2 2], 11, 4);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2662 %!test test_sparse_slice([2 2], 11, [4, 4]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2663 # These 2 errors are the same as in the full case
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2664 %!error id=Octave:invalid-resize set_slice(sparse(ones([2 2])), 11, 5);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2665 %!error id=Octave:invalid-resize set_slice(sparse(ones([2 2])), 11, 6);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2666
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2667
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2668 #### 2d indexing
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2669
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2670 ## size = [2 0]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2671 %!test test_sparse_slice([2 0], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2672 %!test test_sparse_slice([2 0], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2673 %!test test_sparse_slice([2 0], 21, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2674 %!test test_sparse_slice([2 0], 21, [2,2]);
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2675 %!assert(set_slice(sparse(ones([2 0])), 21, 3), sparse(3,0));
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2676 %!assert(set_slice(sparse(ones([2 0])), 21, 4), sparse(4,0));
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2677 %!test test_sparse_slice([2 0], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2678 %!test test_sparse_slice([2 0], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2679 %!test test_sparse_slice([2 0], 22, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2680 %!test test_sparse_slice([2 0], 22, [2,2]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2681 %!assert(set_slice(sparse(ones([2 0])), 22, 3), sparse([0 0 2;0 0 2])); # sparse different from full
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2682 %!assert(set_slice(sparse(ones([2 0])), 22, 4), sparse([0 0 0 2;0 0 0 2])); # sparse different from full
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2683
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2684 ## size = [0 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2685 %!test test_sparse_slice([0 2], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2686 %!test test_sparse_slice([0 2], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2687 %!test test_sparse_slice([0 2], 21, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2688 %!test test_sparse_slice([0 2], 21, [2,2]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2689 %!assert(set_slice(sparse(ones([0 2])), 21, 3), sparse([0 0;0 0;2 2])); # sparse different from full
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2690 %!assert(set_slice(sparse(ones([0 2])), 21, 4), sparse([0 0;0 0;0 0;2 2])); # sparse different from full
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2691 %!test test_sparse_slice([0 2], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2692 %!test test_sparse_slice([0 2], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2693 %!test test_sparse_slice([0 2], 22, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2694 %!test test_sparse_slice([0 2], 22, [2,2]);
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2695 %!assert(set_slice(sparse(ones([0 2])), 22, 3), sparse(0,3));
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2696 %!assert(set_slice(sparse(ones([0 2])), 22, 4), sparse(0,4));
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2697
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2698 ## size = [2 1]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2699 %!test test_sparse_slice([2 1], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2700 %!test test_sparse_slice([2 1], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2701 %!test test_sparse_slice([2 1], 21, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2702 %!test test_sparse_slice([2 1], 21, [2,2]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2703 %!test test_sparse_slice([2 1], 21, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2704 %!test test_sparse_slice([2 1], 21, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2705 %!test test_sparse_slice([2 1], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2706 %!test test_sparse_slice([2 1], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2707 %!test test_sparse_slice([2 1], 22, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2708 %!test test_sparse_slice([2 1], 22, [2,2]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2709 %!test test_sparse_slice([2 1], 22, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2710 %!test test_sparse_slice([2 1], 22, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2711
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2712 ## size = [1 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2713 %!test test_sparse_slice([1 2], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2714 %!test test_sparse_slice([1 2], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2715 %!test test_sparse_slice([1 2], 21, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2716 %!test test_sparse_slice([1 2], 21, [2,2]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2717 %!test test_sparse_slice([1 2], 21, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2718 %!test test_sparse_slice([1 2], 21, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2719 %!test test_sparse_slice([1 2], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2720 %!test test_sparse_slice([1 2], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2721 %!test test_sparse_slice([1 2], 22, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2722 %!test test_sparse_slice([1 2], 22, [2,2]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2723 %!test test_sparse_slice([1 2], 22, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2724 %!test test_sparse_slice([1 2], 22, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2725
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2726 ## size = [2 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2727 %!test test_sparse_slice([2 2], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2728 %!test test_sparse_slice([2 2], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2729 %!test test_sparse_slice([2 2], 21, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2730 %!test test_sparse_slice([2 2], 21, [2,2]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2731 %!test test_sparse_slice([2 2], 21, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2732 %!test test_sparse_slice([2 2], 21, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2733 %!test test_sparse_slice([2 2], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2734 %!test test_sparse_slice([2 2], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2735 %!test test_sparse_slice([2 2], 22, 2);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2736 %!test test_sparse_slice([2 2], 22, [2,2]);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2737 %!test test_sparse_slice([2 2], 22, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2738 %!test test_sparse_slice([2 2], 22, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2739
14433 ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	2740 bug #35570:
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	2741
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	2742 %!assert (speye (3,1)(3:-1:1), sparse ([0; 0; 1]))
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	2743
14860 62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2744 ## Test removing columns (bug #36656)
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2745
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2746 %!test
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2747 %! s = sparse (magic (5));
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2748 %! s(:,2:4) = [];
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2749 %! assert (s, sparse (magic (5)(:, [1,5])));
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2750
14861 b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14860 diff changeset	2751 %!test
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14860 diff changeset	2752 %! s = sparse([], [], [], 1, 1);
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14860 diff changeset	2753 %! s(1,:) = [];
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14860 diff changeset	2754 %! assert (s, sparse ([], [], [], 0, 1));
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14860 diff changeset	2755
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2756 */
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2757
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2758 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2759 void
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2760 Sparse<T>::print_info (std::ostream& os, const std::string& prefix) const
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2761 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2762 os << prefix << "rep address: " << rep << "\n"
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	2763 << prefix << "rep->nzmx: " << rep->nzmx << "\n"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2764 << prefix << "rep->nrows: " << rep->nrows << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2765 << prefix << "rep->ncols: " << rep->ncols << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2766 << prefix << "rep->data: " << static_cast<void *> (rep->d) << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2767 << prefix << "rep->ridx: " << static_cast<void *> (rep->r) << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2768 << prefix << "rep->cidx: " << static_cast<void *> (rep->c) << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2769 << prefix << "rep->count: " << rep->count << "\n";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2770 }
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2771
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2772 #define INSTANTIATE_SPARSE(T, API) \
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2773 template class API Sparse<T>;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2774

Mercurial > hg > octave-thorsten

annotate liboctave/Sparse.cc @ 15307:f2e72944847b draft stable