octave-nkf: liboctave/Sparse.cc annotate

annotate liboctave/Sparse.cc @ 11586:12df7854fa7c

strip trailing whitespace from source files

author	John W. Eaton <jwe@octave.org>
date	Thu, 20 Jan 2011 17:24:59 -0500
parents	0e414f837c58
children	4ced6b90fffb

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

Mercurial > octave-nkf

annotate liboctave/Sparse.cc @ 11586:12df7854fa7c