octave-nkf: liboctave/Sparse.cc annotate

annotate liboctave/Sparse.cc @ 10512:aac9f4265048

rewrite sparse indexed assignment

author	Jaroslav Hajek <highegg@gmail.com>
date	Tue, 13 Apr 2010 12:36:21 +0200
parents	ddbd812d09aa
children	f0266ee4aabe

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
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8752 diff changeset	4 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 David Bateman
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	5 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Andy Adler
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	6
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	7 This file is part of Octave.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	8
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	9 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	10 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	11 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	12 option) any later version.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	13
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	14 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	15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	16 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	17 for more details.
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	18
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	19 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	20 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	21 <http://www.gnu.org/licenses/>.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	22
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 #ifdef HAVE_CONFIG_H
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	26 #include <config.h>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	27 #endif
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	28
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	29 #include <cassert>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	30 #include <climits>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	31
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	32 #include <algorithm>
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	33 #include <iostream>
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	34 #include <sstream>
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	35 #include <vector>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	36
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	37 #include "Array.h"
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	38 #include "MArray.h"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	39 #include "Array-util.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	40 #include "Range.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	41 #include "idx-vector.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	42 #include "lo-error.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	43 #include "quit.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	44 #include "oct-locbuf.h"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	45
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	46 #include "Sparse.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	47 #include "sparse-sort.h"
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	48 #include "sparse-util.h"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	49 #include "oct-spparms.h"
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	50 #include "mx-inlines.cc"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	51
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	52 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	53 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	54 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	55 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	56 octave_idx_type i;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	57
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	58 if (nzmx > 0)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	59 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	60 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	61 if (r[i] == _r)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	62 return d[i];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	63 else if (r[i] > _r)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	64 break;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	65
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	66 // Ok, If we've gotten here, we're in trouble.. Have to create a
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	67 // 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	68 if (c[ncols] == nzmx)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	69 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	70 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	71 ("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	72 return *d;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	73 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	74
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	75 octave_idx_type to_move = c[ncols] - i;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	76 if (to_move != 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	77 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	78 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	79 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	80 d[j] = d[j-1];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	81 r[j] = r[j-1];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	82 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	83 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	84
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	85 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	86 c[j] = c[j] + 1;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	87
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	88 d[i] = 0.;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	89 r[i] = _r;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	90
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	91 return d[i];
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	92 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	93 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	94 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	95 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	96 ("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	97 return *d;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	98 }
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 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	102 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	103 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	104 {
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	105 if (nzmx > 0)
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	106 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	107 if (r[i] == _r)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	108 return d[i];
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	109 return T ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	110 }
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 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	113 void
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	114 Sparse<T>::SparseRep::maybe_compress (bool remove_zeros)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	115 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	116 if (remove_zeros)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	117 {
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	118 octave_idx_type i = 0, k = 0;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	119 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	120 {
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	121 octave_idx_type u = c[j];
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	122 for (i = i; i < u; i++)
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	123 if (d[i] != T())
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	124 {
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	125 d[k] = d[i];
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	126 r[k++] = r[i];
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	127 }
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	128 c[j] = k;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	129 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	130 }
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	131
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	132 change_length (c[ncols]);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	133 }
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 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	136 void
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	137 Sparse<T>::SparseRep::change_length (octave_idx_type nz)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	138 {
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	139 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	140 c[j] = nz;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	141
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	142 // 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	143 // discard.
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	144 static const int frac = 5;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	145 if (nz > nzmx \|\| nz < nzmx - nzmx/frac)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	146 {
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	147 // Reallocate.
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	148 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	149
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	150 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	151 copy_or_memcpy (min_nzmx, r, new_ridx);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	152
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	153 delete [] r;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	154 r = new_ridx;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	155
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	156 T * new_data = new T [nz];
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	157 copy_or_memcpy (min_nzmx, d, new_data);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	158
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	159 delete [] d;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	160 d = new_data;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	161
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	162 nzmx = nz;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	163 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	164 }
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 template <class T>
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	167 bool
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	168 Sparse<T>::SparseRep::indices_ok (void) const
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	169 {
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	170 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	171 }
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 template <class T>
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	174 template <class U>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	175 Sparse<T>::Sparse (const Sparse<U>& a)
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	176 : dimensions (a.dimensions)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	177 {
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	178 if (a.nnz () == 0)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	179 rep = new typename Sparse<T>::SparseRep (rows (), cols());
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	180 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	181 {
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	182 rep = new typename Sparse<T>::SparseRep (rows (), cols (), a.nnz ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	183
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	184 octave_idx_type nz = a.nnz ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	185 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	186 for (octave_idx_type i = 0; i < nz; i++)
10314 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 (i) = T (a.data (i));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	189 xridx (i) = a.ridx (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	190 }
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	191 for (octave_idx_type i = 0; i < nc + 1; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	192 xcidx (i) = a.cidx (i);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	193 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	194 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	195
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	196 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	197 Sparse<T>::Sparse (octave_idx_type nr, octave_idx_type nc, T val)
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	198 : dimensions (dim_vector (nr, nc))
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	199 {
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	200 if (val != T ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	201 {
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	202 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	203
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	204 octave_idx_type ii = 0;
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	205 xcidx (0) = 0;
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	206 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	207 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	208 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	209 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	210 xdata (ii) = val;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	211 xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	212 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	213 xcidx (j+1) = ii;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	214 }
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	215 }
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	216 else
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	217 {
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	218 rep = new typename Sparse<T>::SparseRep (nr, nc, 0);
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	219 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	220 xcidx(j) = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	221 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	222 }
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 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	225 Sparse<T>::Sparse (const dim_vector& dv)
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	226 : dimensions (dv)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	227 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	228 if (dv.length() != 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	229 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	230 ("Sparse::Sparse (const dim_vector&): dimension mismatch");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	231 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	232 rep = new typename Sparse<T>::SparseRep (dv(0), dv(1));
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	233 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	234
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	235 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	236 Sparse<T>::Sparse (const Sparse<T>& a, const dim_vector& dv)
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	237 : dimensions (dv)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	238 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	239
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	240 // 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	241 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	242 static_cast<unsigned long long>(a.cols ());
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	243 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	244 static_cast<unsigned long long>(dv (1));
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	245
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	246 if (a_nel != dv_nel)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	247 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	248 ("Sparse::Sparse (const Sparse&, const dim_vector&): dimension mismatch");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	249 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	250 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	251 dim_vector old_dims = a.dims();
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	252 octave_idx_type new_nzmx = a.nnz ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	253 octave_idx_type new_nr = dv (0);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	254 octave_idx_type new_nc = dv (1);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	255 octave_idx_type old_nr = old_dims (0);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	256 octave_idx_type old_nc = old_dims (1);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	257
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	258 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	259
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	260 octave_idx_type kk = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	261 xcidx(0) = 0;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	262 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	263 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	264 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	265 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	266 octave_idx_type ii = tmp % new_nr;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	267 octave_idx_type jj = (tmp - ii) / new_nr;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	268 for (octave_idx_type k = kk; k < jj; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	269 xcidx(k+1) = j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	270 kk = jj;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	271 xdata(j) = a.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	272 xridx(j) = ii;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	273 }
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	274 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	275 xcidx(k+1) = new_nzmx;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	276 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	277 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	278
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	279 template <class T>
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	280 Sparse<T>::Sparse (const Array<T>& a, const idx_vector& r,
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	281 const idx_vector& c, octave_idx_type nr,
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	282 octave_idx_type nc, bool sum_terms)
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	283 : rep (nil_rep ()), dimensions ()
10479 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 (nr < 0)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	286 nr = r.extent (0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	287 else if (r.extent (nr) > nr)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	288 (*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	289 r.extent (nr), nr);
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 (nc < 0)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	292 nc = c.extent (0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	293 else if (c.extent (nc) > nc)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	294 (*current_liboctave_error_handler) ("sparse: column index %d out of bound %d",
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	295 r.extent (nc), nc);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	296
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	297 if (--rep->count == 0)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	298 delete rep;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	299 rep = new SparseRep (nr, nc);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	300
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	301 dimensions = dim_vector (nr, nc);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	302
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 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	305 bool a_scalar = n == 1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	306 if (a_scalar)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	307 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	308 if (rl != 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	309 n = rl;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	310 else if (cl != 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	311 n = cl;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	312 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	313
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	314 if ((rl != 1 && rl != n) \|\| (cl != 1 && cl != n))
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	315 (*current_liboctave_error_handler) ("sparse: dimension mismatch");
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	316
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	317 if (rl <= 1 && cl <= 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	318 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	319 if (n == 1 && a(0) != T ())
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	320 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	321 change_capacity (1);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	322 xridx(0) = r(0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	323 xdata(0) = a(0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	324 for (octave_idx_type j = 0; j < nc; j++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	325 xcidx(j+1) = j >= c(0);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	326 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	327 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	328 else if (a_scalar)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	329 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	330 // This is completely specialized, because the sorts can be simplified.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	331 T a0 = a(0);
10509 ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	332 if (a0 == T())
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	333 {
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	334 // Do nothing, it's an empty matrix.
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	335 }
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	336 else if (cl == 1)
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	337 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	338 // Sparse column vector. Sort row indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	339 idx_vector rs = r.sorted ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	340
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	341 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	342
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	343 const octave_idx_type *rd = rs.raw ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	344 // Count unique indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	345 octave_idx_type new_nz = 1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	346 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	347 new_nz += rd[i-1] != rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	348 // Allocate result.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	349 change_capacity (new_nz);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	350 xcidx (1) = new_nz;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	351 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	352 T *rrd = data ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	353
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	354 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	355
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	356 octave_idx_type k = -1, l = -1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	357
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	358 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	359 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	360 // Sum repeated indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	361 for (octave_idx_type i = 0; i < n; i++)
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 if (rd[i] != l)
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 l = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	366 rri[++k] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	367 rrd[k] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	368 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	369 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	370 rrd[k] += a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	371 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	372 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	373 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	374 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	375 // Pick the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	376 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	377 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	378 if (rd[i] != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	379 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	380 l = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	381 rrd[++k] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	382 rri[k] = rd[i];
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 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	385 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	386
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	387 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	388 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	389 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	390 idx_vector rr = r, cc = c;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	391 const octave_idx_type rd = rr.raw (), cd = cc.raw ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	392 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	393 ci[0] = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	394 // Bin counts of column indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	395 for (octave_idx_type i = 0; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	396 ci[cd[i]+1]++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	397 // Make them cumulative, shifted one to right.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	398 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	399 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	400 octave_idx_type s1 = s + ci[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	401 ci[i] = s;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	402 s = s1;
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
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	405 octave_quit ();
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 // Bucket sort.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	408 OCTAVE_LOCAL_BUFFER (octave_idx_type, sidx, n);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	409 for (octave_idx_type i = 0; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	410 sidx[ci[cd[i]+1]++] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	411
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	412 // 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	413 xcidx(0) = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	414 for (octave_idx_type j = 0; j < nc; j++)
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 std::sort (sidx + ci[j], sidx + ci[j+1]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	417 octave_idx_type l = -1, nzj = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	418 // Count.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	419 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	420 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	421 octave_idx_type k = sidx[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	422 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	423 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	424 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	425 nzj++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	426 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	427 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	428 // Set column pointer.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	429 xcidx(j+1) = xcidx(j) + nzj;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	430 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	431
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	432 change_capacity (xcidx (nc));
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	433 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	434 T *rrd = data ();
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 // Fill-in data.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	437 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	438 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	439 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	440 octave_idx_type l = -1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	441 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	442 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	443 // Sum adjacent terms.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	444 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	445 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	446 octave_idx_type k = sidx[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	447 if (k != l)
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 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	450 rrd[++jj] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	451 rri[jj] = k;
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 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	454 rrd[jj] += a0;
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 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	457 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	458 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	459 // Use the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	460 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	461 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	462 octave_idx_type k = sidx[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	463 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	464 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	465 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	466 rrd[++jj] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	467 rri[jj] = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	468 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	469 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	470 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	471 }
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 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	474 else if (cl == 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	475 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	476 // Sparse column vector. Sort row indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	477 Array<octave_idx_type> rsi;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	478 idx_vector rs = r.sorted (rsi);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	479
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	480 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	481
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	482 const octave_idx_type rd = rs.raw (), rdi = rsi.data ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	483 // Count unique indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	484 octave_idx_type new_nz = 1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	485 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	486 new_nz += rd[i-1] != rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	487 // Allocate result.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	488 change_capacity (new_nz);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	489 xcidx(1) = new_nz;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	490 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	491 T *rrd = data ();
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 octave_quit ();
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 octave_idx_type k = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	496 rri[k] = rd[0];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	497 rrd[k] = a(rdi[0]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	498
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	499 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	500 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	501 // Sum repeated indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	502 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	503 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	504 if (rd[i] != rd[i-1])
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 rri[++k] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	507 rrd[k] = a(rdi[i]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	508 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	509 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	510 rrd[k] += a(rdi[i]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	511 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	512 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	513 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	514 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	515 // Pick the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	516 for (octave_idx_type i = 1; i < n; 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 if (rd[i] != rd[i-1])
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	519 rri[++k] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	520 rrd[k] = a(rdi[i]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	521 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	522 }
10509 ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	523
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	524 maybe_compress (true);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	525 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	526 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	527 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	528 idx_vector rr = r, cc = c;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	529 const octave_idx_type rd = rr.raw (), cd = cc.raw ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	530 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	531 ci[0] = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	532 // Bin counts of column indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	533 for (octave_idx_type i = 0; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	534 ci[cd[i]+1]++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	535 // Make them cumulative, shifted one to right.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	536 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	537 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	538 octave_idx_type s1 = s + ci[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	539 ci[i] = s;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	540 s = s1;
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
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	543 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	544
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	545 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	546 // Bucket sort.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	547 OCTAVE_LOCAL_BUFFER (idx_pair, spairs, n);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	548 for (octave_idx_type i = 0; i < n; i++)
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 idx_pair& p = spairs[ci[cd[i]+1]++];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	551 p.first = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	552 p.second = i;
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
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	555 // 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	556 xcidx(0) = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	557 for (octave_idx_type j = 0; j < nc; j++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	558 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	559 std::sort (spairs + ci[j], spairs + ci[j+1]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	560 octave_idx_type l = -1, nzj = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	561 // Count.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	562 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	563 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	564 octave_idx_type k = spairs[i].first;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	565 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	566 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	567 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	568 nzj++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	569 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	570 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	571 // Set column pointer.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	572 xcidx(j+1) = xcidx(j) + nzj;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	573 }
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 change_capacity (xcidx (nc));
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	576 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	577 T *rrd = data ();
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 // Fill-in data.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	580 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	581 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	582 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	583 octave_idx_type l = -1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	584 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	585 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	586 // Sum adjacent terms.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	587 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	588 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	589 octave_idx_type k = spairs[i].first;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	590 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	591 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	592 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	593 rrd[++jj] = a(spairs[i].second);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	594 rri[jj] = k;
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 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	597 rrd[jj] += a(spairs[i].second);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	598 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	599 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	600 else
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 // Use the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	603 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	604 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	605 octave_idx_type k = spairs[i].first;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	606 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	607 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	608 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	609 rri[++jj] = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	610 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	611 rrd[jj] = a(spairs[i].second);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	612 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	613 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	614 }
10509 ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	615
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	616 maybe_compress (true);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	617 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	618 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	619
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	620 template <class T>
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	621 Sparse<T>::Sparse (const Array<T>& a)
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	622 : dimensions (a.dims ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	623 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	624 if (dimensions.length () > 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	625 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	626 ("Sparse::Sparse (const Array<T>&): dimension mismatch");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	627 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	628 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	629 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	630 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	631 octave_idx_type len = a.length ();
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	632 octave_idx_type new_nzmx = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	633
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	634 // First count the number of non-zero terms
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	635 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	636 if (a(i) != T ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	637 new_nzmx++;
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	638
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	639 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	640
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	641 octave_idx_type ii = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	642 xcidx(0) = 0;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	643 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	644 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	645 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	646 if (a.elem (i,j) != T ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	647 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	648 xdata(ii) = a.elem (i,j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	649 xridx(ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	650 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	651 xcidx(j+1) = ii;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	652 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	653 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	654 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	655
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	656 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	657 Sparse<T>::~Sparse (void)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	658 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	659 if (--rep->count <= 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	660 delete rep;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	661 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	662
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	663 template <class T>
7717 ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	664 Sparse<T>&
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	665 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	666 {
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	667 if (this != &a)
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	668 {
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	669 if (--rep->count <= 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	670 delete rep;
7717 ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	671
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	672 rep = a.rep;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	673 rep->count++;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	674
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	675 dimensions = a.dimensions;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	676 }
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	677
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	678 return *this;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	679 }
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	680
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	681 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	682 octave_idx_type
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	683 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	684 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	685 octave_idx_type retval = -1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	686
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	687 octave_idx_type n = dimensions.length ();
5164 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 if (n > 0 && n == ra_idx.length ())
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	690 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	691 retval = ra_idx(--n);
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 while (--n >= 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	694 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	695 retval *= dimensions(n);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	696 retval += ra_idx(n);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	697 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	698 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	699 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	700 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	701 ("Sparse<T>::compute_index: invalid ra_idxing operation");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	702
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	703 return retval;
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 n) 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) ("%s (%d): range error", fcn, n);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	711 return T ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	712 }
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 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	715 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	716 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	717 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	718 (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	719 static T foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	720 return foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	721 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	722
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	723 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	724 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	725 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	726 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	727 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	728 ("%s (%d, %d): range error", fcn, i, j);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	729 return T ();
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
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	732 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	733 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	734 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	735 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	736 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	737 ("%s (%d, %d): range error", fcn, i, j);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	738 static T foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	739 return foo;
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
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	742 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	743 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	744 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	745 {
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	746 std::ostringstream buf;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	747
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	748 buf << fcn << " (";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	749
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	750 octave_idx_type n = ra_idx.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	751
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	752 if (n > 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	753 buf << ra_idx(0);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	754
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	755 for (octave_idx_type i = 1; i < n; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	756 buf << ", " << ra_idx(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	757
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	758 buf << "): range error";
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	759
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	760 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	761
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	762 (*current_liboctave_error_handler) (buf_str.c_str ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	763
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	764 return T ();
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
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	767 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	768 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	769 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	770 {
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	771 std::ostringstream buf;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	772
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	773 buf << fcn << " (";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	774
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	775 octave_idx_type n = ra_idx.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	776
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	777 if (n > 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	778 buf << ra_idx(0);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	779
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	780 for (octave_idx_type i = 1; i < n; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	781 buf << ", " << ra_idx(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	782
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	783 buf << "): range error";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	784
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	785 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	786
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	787 (*current_liboctave_error_handler) (buf_str.c_str ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	788
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	789 static T foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	790 return foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	791 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	792
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	793 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	794 Sparse<T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	795 Sparse<T>::reshape (const dim_vector& new_dims) const
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	796 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	797 Sparse<T> retval;
6689 8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	798 dim_vector dims2 = new_dims;
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	799
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	800 if (dims2.length () > 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	801 {
6814 8c89a644df8a [project @ 2007-08-14 17:30:59 by jwe] jwe parents: 6813 diff changeset	802 (*current_liboctave_warning_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	803 ("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	804
6689 8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	805 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	806 dims2(1) *= dims2(i);
6814 8c89a644df8a [project @ 2007-08-14 17:30:59 by jwe] jwe parents: 6813 diff changeset	807
6689 8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	808 dims2.resize (2);
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	809 }
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	810
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	811 if (dimensions != dims2)
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	812 {
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	813 if (dimensions.numel () == dims2.numel ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	814 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	815 octave_idx_type new_nnz = nnz ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	816 octave_idx_type new_nr = dims2 (0);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	817 octave_idx_type new_nc = dims2 (1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	818 octave_idx_type old_nr = rows ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	819 octave_idx_type old_nc = cols ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	820 retval = Sparse<T> (new_nr, new_nc, new_nnz);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	821
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	822 octave_idx_type kk = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	823 retval.xcidx(0) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	824 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	825 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	826 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	827 octave_idx_type tmp = i * old_nr + ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	828 octave_idx_type ii = tmp % new_nr;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	829 octave_idx_type jj = (tmp - ii) / new_nr;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	830 for (octave_idx_type k = kk; k < jj; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	831 retval.xcidx(k+1) = j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	832 kk = jj;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	833 retval.xdata(j) = data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	834 retval.xridx(j) = ii;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	835 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	836 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	837 retval.xcidx(k+1) = new_nnz;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	838 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	839 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	840 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	841 std::string dimensions_str = dimensions.str ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	842 std::string new_dims_str = new_dims.str ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	843
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	844 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	845 ("reshape: can't reshape %s array to %s array",
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	846 dimensions_str.c_str (), new_dims_str.c_str ());
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	847 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	848 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	849 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	850 retval = *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	851
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	852 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	853 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	854
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	855 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	856 Sparse<T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	857 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	858 {
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	859 // 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	860
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	861 bool fail = false;
6817 2e7f62e52c13 [project @ 2007-08-19 19:36:40 by dbateman] dbateman parents: 6814 diff changeset	862 bool trans = false;
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	863
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	864 if (perm_vec.length () == 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	865 {
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	866 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	867 /* do nothing */;
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	868 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	869 trans = true;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	870 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	871 fail = true;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	872 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	873 else
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	874 fail = true;
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	875
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	876 if (fail)
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	877 (*current_liboctave_error_handler)
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	878 ("permutation vector contains an invalid element");
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	879
6817 2e7f62e52c13 [project @ 2007-08-19 19:36:40 by dbateman] dbateman parents: 6814 diff changeset	880 return trans ? this->transpose () : *this;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	881 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	882
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	883 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	884 void
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	885 Sparse<T>::resize1 (octave_idx_type n)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	886 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	887 octave_idx_type nr = rows (), nc = cols ();
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	888
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	889 if (nr == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	890 resize (1, std::max (nc, n));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	891 else if (nc == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	892 // FIXME: Due to Matlab 2007a, but some existing tests fail on this.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	893 resize (nr, (n + nr - 1) / nr);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	894 else if (nr == 1)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	895 resize (1, n);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	896 else if (nc == 1)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	897 resize (n, 1);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	898 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	899 gripe_invalid_resize ();
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	900 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	901
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	902 template <class T>
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	903 void
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	904 Sparse<T>::resize (const dim_vector& dv)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	905 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	906 octave_idx_type n = dv.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	907
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	908 if (n != 2)
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 (*current_liboctave_error_handler) ("sparse array must be 2-D");
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 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	913
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	914 resize (dv(0), dv(1));
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	915 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	916
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	917 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	918 void
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	919 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	920 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	921 if (r < 0 \|\| c < 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	922 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	923 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	924 ("can't resize to negative dimension");
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	925 return;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	926 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	927
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	928 if (r == dim1 () && c == dim2 ())
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	929 return;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	930
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	931 // 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	932 // Sparse rep. It is not good for anything in there.
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	933 make_unique ();
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 (r < rows ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	936 {
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	937 octave_idx_type i = 0, k = 0;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	938 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	939 {
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	940 octave_idx_type u = xcidx(j);
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	941 for (i = i; i < u; i++)
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	942 if (xridx(i) < r)
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	943 {
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	944 xdata(k) = xdata(i);
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	945 xridx(k++) = xridx(i);
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	946 }
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	947 xcidx(j) = k;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	948 }
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
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	951 rep->nrows = dimensions(0) = r;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	952
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	953 if (c != rep->ncols)
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	954 {
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	955 octave_idx_type *new_cidx = new octave_idx_type [c+1];
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	956 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	957 delete [] rep->c;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	958 rep->c = new_cidx;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	959
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	960 if (c > rep->ncols)
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	961 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	962 }
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	963
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	964 rep->ncols = dimensions(1) = c;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	965
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	966 rep->change_length (rep->nnz ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	967 }
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 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	970 Sparse<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	971 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	972 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	973 octave_idx_type a_rows = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	974 octave_idx_type a_cols = a.cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	975 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	976 octave_idx_type nc = cols ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	977
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	978 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	979 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	980 (*current_liboctave_error_handler) ("range error for insert");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	981 return *this;
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
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	984 // 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	985 octave_idx_type nel = cidx(c) + a.nnz ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	986
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	987 if (c + a_cols < nc)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	988 nel += cidx(nc) - cidx(c + a_cols);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	989
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	990 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	991 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	992 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	993 nel++;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	994
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	995 Sparse<T> tmp (*this);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	996 --rep->count;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	997 rep = new typename Sparse<T>::SparseRep (nr, nc, nel);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	998
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	999 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	1000 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1001 data(i) = tmp.data(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1002 ridx(i) = tmp.ridx(i);
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 i = 0; i < c + 1; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1005 cidx(i) = tmp.cidx(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1006
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1007 octave_idx_type ii = cidx(c);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1008
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1009 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	1010 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	1011 octave_quit ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1012
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1013 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	1014 if (tmp.ridx(j) < r)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1015 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1016 data(ii) = tmp.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1017 ridx(ii++) = tmp.ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1018 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1019
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	1020 octave_quit ();
5164 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 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	1023 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1024 data(ii) = a.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1025 ridx(ii++) = r + a.ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1026 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1027
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	1028 octave_quit ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1029
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1030 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	1031 if (tmp.ridx(j) >= r + a_rows)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1032 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1033 data(ii) = tmp.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1034 ridx(ii++) = tmp.ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1035 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1036
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1037 cidx(i+1) = ii;
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
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1040 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	1041 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1042 for (octave_idx_type j = tmp.cidx(i); j < tmp.cidx(i+1); j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1043 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1044 data(ii) = tmp.data(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1045 ridx(ii++) = tmp.ridx(j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1046 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1047 cidx(i+1) = ii;
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
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1050 return *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1051 }
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 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1054 Sparse<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1055 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	1056 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1057
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1058 if (ra_idx.length () != 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1059 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1060 (*current_liboctave_error_handler) ("range error for insert");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1061 return *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1062 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1063
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1064 return insert (a, ra_idx (0), ra_idx (1));
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1065 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1066
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1067 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1068 Sparse<T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1069 Sparse<T>::transpose (void) const
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1070 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1071 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1072
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1073 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1074 octave_idx_type nc = cols ();
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1075 octave_idx_type nz = nnz ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1076 Sparse<T> retval (nc, nr, nz);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1077
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1078 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	1079 retval.xcidx (ridx (i) + 1)++;
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1080 // 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	1081 nz = 0;
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1082 for (octave_idx_type i = 1; i <= nr; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1083 {
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1084 const octave_idx_type tmp = retval.xcidx (i);
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1085 retval.xcidx (i) = nz;
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1086 nz += tmp;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1087 }
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1088 // 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	1089
69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1090 for (octave_idx_type j = 0; j < nc; j++)
69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1091 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	1092 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1093 octave_idx_type q = retval.xcidx (ridx (k) + 1)++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1094 retval.xridx (q) = j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1095 retval.xdata (q) = data (k);
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1096 }
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1097 assert (nnz () == retval.xcidx (nr));
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1098 // 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	1099 // 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	1100
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1101 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1102 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1103
10493 2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1104 // 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	1105 // 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	1106 // small columns.
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1107 static octave_idx_type
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1108 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	1109 octave_idx_type ri)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1110 {
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1111 if (nr <= 8)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1112 {
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1113 octave_idx_type l;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1114 for (l = 0; l < nr; l++)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1115 if (ridx[l] >= ri)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1116 break;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1117 return l;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1118 }
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1119 else
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1120 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	1121 }
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1122
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1123 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1124 void
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1125 Sparse<T>::delete_elements (const idx_vector& idx)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1126 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1127 Sparse<T> retval;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1128
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1129 assert (ndims () == 2);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1130
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1131 // FIXME: please don't fix the shadowed member warning yet because
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1132 // Sparse<T>::idx will eventually go away.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1133
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1134 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1135 octave_idx_type nc = dim2 ();
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1136 octave_idx_type nz = nnz ();
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1137
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1138 octave_idx_type nel = numel (); // Can throw.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1139
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1140 const dim_vector idx_dims = idx.orig_dimensions ();
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1141
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1142 if (idx.extent (nel) > nel)
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1143 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	1144 else if (nc == 1)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1145 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1146 // Sparse column vector.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1147 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	1148
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1149 octave_idx_type lb, ub;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1150
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1151 if (idx.is_cont_range (nel, lb, ub))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1152 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1153 // Special-case a contiguous range.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1154 // Look-up indices first.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1155 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	1156 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	1157 // Copy data and adjust indices.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1158 octave_idx_type nz_new = nz - (ui - li);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1159 *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	1160 copy_or_memcpy (li, tmp.data (), data ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1161 copy_or_memcpy (li, tmp.ridx (), xridx ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1162 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	1163 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	1164 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	1165 }
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	1166 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	1167 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1168 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	1169 OCTAVE_LOCAL_BUFFER (T, data_new, nz);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1170 idx_vector sidx = idx.sorted (true);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1171 const octave_idx_type *sj = sidx.raw ();
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1172 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	1173 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	1174 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1175 octave_idx_type r = tmp.ridx(i);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1176 for (;j < sl && sj[j] < r; j++) ;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1177 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	1178 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1179 data_new[nz_new] = tmp.data(i);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1180 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	1181 }
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	1182 }
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1183
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1184 *this = Sparse<T> (nr - sl, 1, nz_new);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1185 copy_or_memcpy (nz_new, ridx_new, ridx ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1186 copy_or_memcpy (nz_new, data_new, xdata ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1187 xcidx(1) = nz_new;
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 }
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1190 else if (nr == 1)
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1191 {
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1192 // Sparse row vector.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1193 octave_idx_type lb, ub;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1194 if (idx.is_cont_range (nc, lb, ub))
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1195 {
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1196 const Sparse<T> tmp = *this;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1197 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	1198 *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	1199 copy_or_memcpy (lbi, tmp.data (), data ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1200 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	1201 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	1202 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	1203 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	1204 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1205 else
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1206 *this = index (idx.complement (nc));
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1207 }
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1208 else
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1209 {
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1210 *this = index (idx_vector::colon);
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1211 delete_elements (idx);
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1212 *this = transpose (); // We want a row vector.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1213 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1214 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1215
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1216 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1217 void
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1218 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	1219 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1220 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1221
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1222 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1223 octave_idx_type nc = dim2 ();
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1224 octave_idx_type nz = nnz ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1225
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1226 if (idx_i.is_colon ())
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 columns.
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_j.extent (nc) > nc)
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_j.extent (nc), nc);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1232 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	1233 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1234 const Sparse<T> tmp = *this;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1235 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	1236 *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	1237 copy_or_memcpy (lbi, tmp.data (), data ());
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1238 copy_or_memcpy (lbi, tmp.ridx (), ridx ());
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1239 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	1240 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	1241 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	1242 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	1243 }
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1244 else
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1245 *this = index (idx_i, idx_j.complement (nc));
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1246 }
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1247 else if (idx_j.is_colon ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1248 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1249 // Deleting rows.
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1250 octave_idx_type lb, ub;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1251 if (idx_i.extent (nr) > nr)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1252 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	1253 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	1254 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1255 // 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	1256 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	1257 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	1258 *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	1259 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	1260 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1261 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	1262 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1263 xdata(k) = tmpl.data(i);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1264 xridx(k++) = tmpl.ridx(i);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1265 }
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1266 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	1267 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1268 xdata(k) = tmpu.data(i);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1269 xridx(k++) = tmpu.ridx(i) + lb;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1270 }
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1271
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1272 xcidx(j+1) = k;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1273 }
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1274 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1275 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1276 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1277 // 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	1278 // again.
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1279 Sparse<T> tmp = transpose ();
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1280 tmp.delete_elements (idx_j, idx_i);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1281 *this = tmp.transpose ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1282 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1283 }
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1284 else
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1285 (*current_liboctave_error_handler)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1286 ("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	1287 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1288
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1289 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1290 void
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1291 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	1292 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1293 if (dim == 0)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1294 delete_elements (idx, idx_vector::colon);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1295 else if (dim == 1)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1296 delete_elements (idx_vector::colon, idx);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1297 else
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1298 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1299 (*current_liboctave_error_handler)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1300 ("invalid dimension in delete_elements");
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1301 return;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1302 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1303 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1304
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1305 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1306 Sparse<T>
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1307 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	1308 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1309 Sparse<T> retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1310
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1311 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1312
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1313 // FIXME: please don't fix the shadowed member warning yet because
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1314 // Sparse<T>::idx will eventually go away.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1315
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1316 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1317 octave_idx_type nc = dim2 ();
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	1318 octave_idx_type nz = nnz ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1319
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1320 octave_idx_type nel = numel (); // Can throw.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1321
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1322 const dim_vector idx_dims = idx.orig_dimensions ();
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1323
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1324 if (idx_dims.length () > 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1325 (*current_liboctave_error_handler)
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1326 ("cannot index sparse matrix with an N-D Array");
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1327 else if (idx.is_colon ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1328 {
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1329 if (nc == 1)
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1330 retval = *this;
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1331 else
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1332 {
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1333 // Fast magic colon processing.
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1334 retval = Sparse<T> (nel, 1, nz);
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1335
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1336 for (octave_idx_type i = 0; i < nc; i++)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1337 {
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1338 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	1339 {
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1340 retval.xdata(j) = data(j);
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1341 retval.xridx(j) = ridx(j) + i * nr;
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1342 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1343 }
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1344
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1345 retval.xcidx(0) = 0;
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1346 retval.xcidx(1) = nz;
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1347 }
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 else if (idx.extent (nel) > nel)
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1350 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1351 // resize_ok is completely handled here.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1352 if (resize_ok)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1353 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1354 octave_idx_type ext = idx.extent (nel);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1355 Sparse<T> tmp = *this;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1356 tmp.resize1 (ext);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1357 retval = tmp.index (idx);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1358 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1359 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1360 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	1361 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1362 else if (nr == 1 && nc == 1)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1363 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1364 // 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	1365 // since you have a scalar stored as a sparse matrix, and
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1366 // then want to make a dense matrix with sparse
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1367 // representation. Ok, we'll do it, but you deserve what
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1368 // you get!!
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1369 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	1370 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1371 else if (nc == 1)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1372 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1373 // Sparse column vector.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1374 octave_idx_type lb, ub;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1375
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1376 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	1377 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1378 // Scalar index - just a binary lookup.
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1379 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	1380 if (i < nz && ridx(i) == idx(0))
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1381 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	1382 else
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1383 retval = Sparse (1, 1);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1384 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1385 else if (idx.is_cont_range (nel, lb, ub))
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1386 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1387 // Special-case a contiguous range.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1388 // Look-up indices first.
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1389 octave_idx_type li = lblookup (ridx (), nz, lb);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1390 octave_idx_type ui = lblookup (ridx (), nz, ub);
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1391 // Copy data and adjust indices.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1392 octave_idx_type nz_new = ui - li;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1393 retval = Sparse<T> (ub - lb, 1, nz_new);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1394 copy_or_memcpy (nz_new, data () + li, retval.data ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1395 mx_inline_sub (nz_new, retval.xridx (), ridx () + li, lb);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1396 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	1397 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1398 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1399 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1400 // 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	1401 // sparse column vector, otherwise it inherits the shape of index.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1402 // Vector transpose is cheap, so do it right here.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1403 const Array<octave_idx_type> idxa = (idx_dims(0) == 1
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1404 ? idx.as_array ().transpose ()
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1405 : idx.as_array ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1406
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1407 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	1408
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1409 // Lookup.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1410 // FIXME: Could specialize for sorted idx?
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1411 NoAlias< Array<octave_idx_type> > lidx (new_nr, new_nc);
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1412 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	1413 lidx(i) = lblookup (ridx (), nz, idxa(i));
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1414
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1415 // Count matches.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1416 retval = Sparse<T> (idxa.rows (), idxa.cols ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1417 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	1418 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1419 octave_idx_type nzj = 0;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1420 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	1421 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1422 octave_idx_type l = lidx(i, j);
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1423 if (l < nz && ridx(l) == idxa(i, j))
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1424 nzj++;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1425 else
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1426 lidx(i, j) = nz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1427 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1428 retval.xcidx(j+1) = retval.xcidx(j) + nzj;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1429 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1430
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1431 retval.change_capacity (retval.xcidx(new_nc));
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1432
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1433 // Copy data and set row indices.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1434 octave_idx_type k = 0;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1435 for (octave_idx_type j = 0; j < new_nc; j++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1436 for (octave_idx_type i = 0; i < new_nr; i++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1437 {
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1438 octave_idx_type l = lidx(i, j);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1439 if (l < nz)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1440 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1441 retval.data(k) = data(l);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1442 retval.xridx(k++) = i;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1443 }
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 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1446 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1447 else if (nr == 1)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1448 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1449 octave_idx_type lb, ub;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1450 if (idx.is_scalar ())
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1451 retval = Sparse<T> (1, 1, elem(0, idx(0)));
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1452 else if (idx.is_cont_range (nel, lb, ub))
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 // Special-case a contiguous range.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1455 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	1456 retval = Sparse<T> (1, ub - lb, new_nz);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1457 copy_or_memcpy (new_nz, data () + lbi, retval.data ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1458 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	1459 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	1460 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1461 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1462 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1463 // 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	1464 // convert the matrix to full, index, and sparsify the result.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1465 retval = Sparse<T> (array_value ().index (idx));
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1466 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1467 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1468 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1469 {
7573 755bf7ecc29b eliminate one_zero stuff from idx_vector John W. Eaton <jwe@octave.org> parents: 7546 diff changeset	1470 (*current_liboctave_warning_with_id_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1471 ("Octave:fortran-indexing", "single index used for sparse matrix");
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1472
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1473 if (nr != 0 && idx.is_scalar ())
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1474 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	1475 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1476 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1477 // Indexing a non-vector sparse matrix by linear indexing.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1478 // 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	1479 // 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	1480 retval = index (idx_vector::colon).index (idx);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1481 // 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	1482 // it, so we'll do it instead.
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1483 if (idx_dims(0) == 1 && idx_dims(1) != 1)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1484 retval = retval.transpose ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1485 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1486 }
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 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1489 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1490
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1491 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1492 Sparse<T>
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1493 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	1494 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1495 Sparse<T> retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1496
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1497 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1498
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1499 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1500 octave_idx_type nc = dim2 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1501
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1502 octave_idx_type n = idx_i.length (nr);
99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1503 octave_idx_type m = idx_j.length (nc);
99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1504
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1505 octave_idx_type lb, ub;
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1506
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1507 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	1508 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1509 // resize_ok is completely handled here.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1510 if (resize_ok)
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1511 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1512 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	1513 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	1514 Sparse<T> tmp = *this;
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1515 tmp.resize (ext_i, ext_j);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1516 retval = tmp.index (idx_i, idx_j);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1517 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1518 else if (idx_i.extent (nr) > nr)
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1519 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	1520 else
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1521 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	1522 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1523 else if (idx_i.is_colon ())
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1524 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1525 // 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	1526 // 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	1527 if (idx_j.is_colon ())
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1528 retval = *this; // Shallow copy.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1529 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	1530 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1531 // Special-case a contiguous range.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1532 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	1533 retval = Sparse<T> (nr, ub - lb, new_nz);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1534 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	1535 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	1536 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	1537 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1538 else
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1539 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1540 // Count new nonzero elements.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1541 retval = Sparse<T> (nr, m);
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 jj = idx_j(j);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1545 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	1546 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1547
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1548 retval.change_capacity (retval.xcidx (m));
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 // Copy data & indices.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1551 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	1552 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1553 octave_idx_type ljj = cidx(idx_j(j));
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1554 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	1555 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	1556 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	1557 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1558 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1559 }
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1560 else if (idx_i.is_scalar ())
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1561 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1562 octave_idx_type ii = idx_i(0);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1563 retval = Sparse<T> (1, m);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1564 OCTAVE_LOCAL_BUFFER (octave_idx_type, ij, m);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1565 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	1566 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1567 octave_quit ();
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1568 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	1569 // Scalar index - just a binary lookup.
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1570 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	1571 if (i < nzj && ridx(i+lj) == ii)
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1572 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1573 ij[j] = i + lj;
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1574 retval.xcidx(j+1) = retval.xcidx(j) + 1;
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 else
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1577 retval.xcidx(j+1) = retval.xcidx(j);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1578 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1579
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1580 retval.change_capacity (retval.xcidx(m));
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1581
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1582 // Copy data, adjust row indices.
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1583 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	1584 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1585 octave_idx_type i = retval.xcidx(j);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1586 if (retval.xcidx(j+1) > i)
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 retval.xridx(i) = 0;
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1589 retval.xdata(i) = data(ij[j]);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1590 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1591 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1592 }
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1593 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	1594 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1595 retval = Sparse<T> (n, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1596 OCTAVE_LOCAL_BUFFER (octave_idx_type, li, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1597 OCTAVE_LOCAL_BUFFER (octave_idx_type, ui, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1598 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	1599 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1600 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1601 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	1602 octave_idx_type lij, uij;
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1603 // Lookup indices.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1604 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	1605 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	1606 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	1607 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1608
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1609 retval.change_capacity (retval.xcidx(m));
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1610
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1611 // Copy data, adjust row indices.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1612 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	1613 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1614 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1615 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	1616 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1617 retval.xdata(k) = data(i);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1618 retval.xridx(k++) = ridx(i) - lb;
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 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1621 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1622 else if (idx_i.is_permutation (nr))
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1623 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1624 // 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	1625 // Count new nonzero elements.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1626 retval = Sparse<T> (nr, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1627 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	1628 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1629 octave_idx_type jj = idx_j(j);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1630 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	1631 }
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 retval.change_capacity (retval.xcidx (m));
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 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1636
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1637 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	1638 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1639 // 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	1640 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	1641 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1642 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1643 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	1644 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	1645 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	1646 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1647 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	1648 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	1649 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1650 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1651 }
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1652 else
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 // Get inverse permutation.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1655 OCTAVE_LOCAL_BUFFER (octave_idx_type, iinv, nr);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1656 const Array<octave_idx_type> ia = idx_i.as_array ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1657 for (octave_idx_type i = 0; i < nr; i++)
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1658 iinv[ia(i)] = i;
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 // Scatter buffer.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1661 OCTAVE_LOCAL_BUFFER (T, scb, nr);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1662 octave_idx_type *rri = retval.ridx ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1663
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1664 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	1665 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1666 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1667 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	1668 octave_idx_type li = retval.xcidx(j);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1669 // Scatter the column, transform indices.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1670 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	1671 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	1672
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1673 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1674
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1675 // Sort them.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1676 std::sort (rri + li, rri + li + nzj);
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 // Gather.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1679 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	1680 retval.xdata(li + i) = scb[rri[li + i]];
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1681 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1682 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1683
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1684 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1685 else
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1686 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1687 // This is the most general case, where all optimizations failed.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1688 // I suppose this is a relatively rare case, so it will be done
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1689 // as s(i,j) = ((s(:,j).')(:,i)).'
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1690 // Note that if j is :, the first indexing expr. is a shallow copy.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1691 retval = index (idx_vector::colon, idx_j).transpose ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1692 retval = retval.index (idx_vector::colon, idx_i).transpose ();
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 // FIXME: please don't fix the shadowed member warning yet because
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1707 // Sparse<T>::idx will eventually go away.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1708
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1709 octave_idx_type nr = dim1 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1710 octave_idx_type nc = dim2 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1711 octave_idx_type nz = nnz ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1712
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1713 octave_idx_type n = numel (); // Can throw.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1714
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1715 octave_idx_type rhl = rhs.numel ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1716
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1717 if (idx.length (n) == rhl)
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 if (rhl == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1720 return;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1721
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1722 octave_idx_type nx = idx.extent (n);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1723 // Try to resize first if necessary.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1724 if (nx != n)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1725 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1726 resize1 (nx);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1727 n = numel ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1728 nr = rows ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1729 nc = cols ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1730 // nz is preserved.
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
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1733 if (idx.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1734 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1735 *this = rhs.reshape (dimensions);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1736 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1737 else if (nc == 1 && rhs.cols () == 1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1738 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1739 // Sparse column vector to sparse column vector assignment.
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 octave_idx_type lb, ub;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1742 if (idx.is_cont_range (nr, lb, ub))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1743 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1744 // Special-case a contiguous range.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1745 // Look-up indices first.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1746 octave_idx_type li = lblookup (ridx (), nz, lb);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1747 octave_idx_type ui = lblookup (ridx (), nz, ub);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1748 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	1749
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1750 if (new_nz >= nz && new_nz <= capacity ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1751 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1752 // Adding/overwriting elements, enough capacity allocated.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1753
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1754 if (new_nz > nz)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1755 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1756 // Make room first.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1757 std::copy_backward (data () + ui, data () + nz, data () + li + rnz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1758 std::copy_backward (ridx () + ui, ridx () + nz, ridx () + li + rnz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1759 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1760
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1761 // Copy data and adjust indices from rhs.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1762 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1763 mx_inline_add (rnz, ridx () + li, rhs.ridx (), lb);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1764 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1765 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1766 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1767 // Clearing elements or exceeding capacity, allocate afresh
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1768 // and paste pieces.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1769 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1770 *this = Sparse<T> (nr, 1, new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1771
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1772 // Head ...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1773 copy_or_memcpy (li, tmp.data (), data ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1774 copy_or_memcpy (li, tmp.ridx (), ridx ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1775
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1776 // new stuff ...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1777 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1778 mx_inline_add (rnz, ridx () + li, rhs.ridx (), lb);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1779
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1780 // ...tail
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1781 copy_or_memcpy (nz - ui, data () + ui, data () + li + rnz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1782 copy_or_memcpy (nz - ui, ridx () + ui, ridx () + li + rnz);
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
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1785 cidx(1) = new_nz;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1786 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1787 else if (idx.is_range () && idx.increment () == -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 // It's s(u:-1:l) = r. Reverse the assignment.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1790 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	1791 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1792 else if (idx.is_permutation (n))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1793 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1794 *this = rhs.index (idx.inverse_permutation (n));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1795 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1796 else if (rhs.nnz () == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1797 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1798 // Elements are being zeroed.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1799 octave_idx_type *ri = ridx ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1800 for (octave_idx_type i = 0; i < rhl; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1801 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1802 octave_idx_type iidx = idx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1803 octave_idx_type li = lblookup (ri, nz, iidx);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1804 if (li != nz && ri[li] == iidx)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1805 xdata(li) = T();
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
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1808 maybe_compress (true);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1809 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1810 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1811 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1812 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1813 octave_idx_type new_nz = nz + rhl;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1814 // Disassembly our matrix...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1815 Array<octave_idx_type> new_ri (new_nz, 1);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1816 Array<T> new_data (new_nz, 1);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1817 copy_or_memcpy (nz, tmp.ridx (), new_ri.fortran_vec ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1818 copy_or_memcpy (nz, tmp.data (), new_data.fortran_vec ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1819 // ... insert new data (densified) ...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1820 idx.copy_data (new_ri.fortran_vec () + nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1821 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	1822 // ... reassembly.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1823 *this = Sparse<T> (new_data, new_ri, 0, nr, nc, false);
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 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1826 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1827 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1828 dim_vector save_dims = dimensions;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1829 *this = index (idx_vector::colon);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1830 assign (idx, rhs.index (idx_vector::colon));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1831 *this = reshape (save_dims);
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 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1834 else if (rhl == 1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1835 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1836 rhl = idx.length (n);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1837 if (rhs.nnz () != 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1838 assign (idx, Sparse<T> (rhl, 1, rhs.data (0)));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1839 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1840 assign (idx, Sparse<T> (rhl, 1));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1841 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1842 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1843 gripe_invalid_assignment_size ();
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
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1846 template <class T>
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1847 void
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1848 Sparse<T>::assign (const idx_vector& idx_i,
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1849 const idx_vector& idx_j, const Sparse<T>& rhs)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1850 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1851 Sparse<T> retval;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1852
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1853 assert (ndims () == 2);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1854
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1855 // FIXME: please don't fix the shadowed member warning yet because
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1856 // Sparse<T>::idx will eventually go away.
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 nr = dim1 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1859 octave_idx_type nc = dim2 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1860 octave_idx_type nz = nnz ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1861
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1862 octave_idx_type n = rhs.rows ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1863 octave_idx_type m = rhs.columns ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1864
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1865 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	1866 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1867 if (n == 0 \|\| m == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1868 return;
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 octave_idx_type nrx = idx_i.extent (nr), ncx = idx_j.extent (nc);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1871 // Try to resize first if necessary.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1872 if (nrx != nr \|\| ncx != nc)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1873 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1874 resize (nrx, ncx);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1875 nr = rows ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1876 nc = cols ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1877 // nz is preserved.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1878 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1879
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1880 if (idx_i.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1881 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1882 octave_idx_type lb, ub;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1883 // 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	1884 // efficient, because the columns can stay compressed as they are.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1885 if (idx_j.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1886 *this = rhs; // Shallow copy.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1887 else if (idx_j.is_cont_range (nc, lb, ub))
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 // Special-case a contiguous range.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1890 octave_idx_type li = cidx(lb), ui = cidx(ub);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1891 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	1892
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1893 if (new_nz >= nz && new_nz <= capacity ())
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 // Adding/overwriting elements, enough capacity allocated.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1896
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1897 if (new_nz > nz)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1898 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1899 // Make room first.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1900 std::copy_backward (data () + ui, data () + nz, data () + li + rnz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1901 std::copy_backward (ridx () + ui, ridx () + nz, ridx () + li + rnz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1902 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	1903 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1904
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1905 // Copy data and indices from rhs.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1906 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1907 copy_or_memcpy (rnz, rhs.ridx (), ridx () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1908 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	1909
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1910 assert (nnz () == new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1911 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1912 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1913 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1914 // Clearing elements or exceeding capacity, allocate afresh
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1915 // and paste pieces.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1916 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1917 *this = Sparse<T> (nr, nc, new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1918
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1919 // Head...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1920 copy_or_memcpy (li, tmp.data (), data ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1921 copy_or_memcpy (li, tmp.ridx (), ridx ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1922 copy_or_memcpy (lb, tmp.cidx () + 1, cidx () + 1);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1923
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1924 // new stuff...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1925 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1926 copy_or_memcpy (rnz, rhs.ridx (), ridx () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1927 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	1928
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1929 // ...tail.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1930 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	1931 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	1932 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	1933
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1934 assert (nnz () == new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1935 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1936 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1937 else if (idx_j.is_range () && idx_j.increment () == -1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1938 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1939 // It's s(:,u:-1:l) = r. Reverse the assignment.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1940 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	1941 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1942 else if (idx_j.is_permutation (nc))
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 *this = rhs.index (idx_i, idx_j.inverse_permutation (nc));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1945 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1946 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1947 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1948 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1949 *this = Sparse<T> (nr, nc);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1950 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, jsav, nc, -1);
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 // Assemble column lengths.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1953 for (octave_idx_type i = 0; i < nc; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1954 xcidx(i+1) = tmp.cidx(i+1) - tmp.cidx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1955
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1956 for (octave_idx_type i = 0; i < m; 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 octave_idx_type j =idx_j(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1959 jsav[j] = i;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1960 xcidx(j+1) = rhs.cidx(i+1) - rhs.cidx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1961 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1962
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1963 // Make cumulative.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1964 for (octave_idx_type i = 0; i < nc; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1965 xcidx(i+1) += xcidx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1966
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1967 change_capacity (nnz ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1968
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1969 // Merge columns.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1970 for (octave_idx_type i = 0; i < nc; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1971 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1972 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	1973 if (j >= 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1974 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1975 // from rhs
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1976 octave_idx_type k = rhs.cidx(j);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1977 copy_or_memcpy (u - l, rhs.data () + k, xdata () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1978 copy_or_memcpy (u - l, rhs.ridx () + k, xridx () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1979 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1980 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1981 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1982 // original
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1983 octave_idx_type k = tmp.cidx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1984 copy_or_memcpy (u - l, tmp.data () + k, xdata () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1985 copy_or_memcpy (u - l, tmp.ridx () + k, xridx () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1986 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1987 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1988
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1989 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1990 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1991 else if (idx_j.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1992 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1993 if (idx_i.is_permutation (nr))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1994 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1995 *this = rhs.index (idx_i.inverse_permutation (nr), idx_j);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1996 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1997 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1998 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1999 // FIXME: optimize more special cases?
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2000 // In general this requires unpacking the columns, which is slow,
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2001 // especially for many small columns. OTOH, transpose is an
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2002 // efficient O(nr+nc+nnz) operation.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2003 *this = transpose ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2004 assign (idx_vector::colon, idx_i, rhs.transpose ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2005 *this = transpose ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2006 }
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 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2009 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2010 // Split it into 2 assignments and one indexing.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2011 Sparse<T> tmp = index (idx_vector::colon, idx_j);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2012 tmp.assign (idx_i, idx_vector::colon, rhs);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2013 assign (idx_vector::colon, idx_j, tmp);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2014 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2015 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2016 else if (m == 1 && n == 1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2017 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2018 n = idx_i.length (nr);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2019 m = idx_j.length (nc);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2020 if (rhs.nnz () != 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2021 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	2022 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2023 assign (idx_i, idx_j, Sparse<T> (n, m));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2024 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2025 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2026 gripe_assignment_dimension_mismatch ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2027 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2028
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2029 // Can't use versions of these in Array.cc due to duplication of the
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2030 // instantiations for Array<double and Sparse<double>, etc
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2031 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2032 bool
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2033 sparse_ascending_compare (typename ref_param<T>::type a,
06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2034 typename ref_param<T>::type b)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2035 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2036 return (a < b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2037 }
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 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2040 bool
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2041 sparse_descending_compare (typename ref_param<T>::type a,
06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2042 typename ref_param<T>::type b)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2043 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2044 return (a > b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2045 }
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 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2048 Sparse<T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2049 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	2050 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2051 Sparse<T> m = *this;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2052
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2053 octave_idx_type nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2054 octave_idx_type nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2055
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2056 if (m.length () < 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2057 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2058
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2059 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2060 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2061 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2062 nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2063 nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2064 }
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 octave_sort<T> lsort;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2067
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2068 if (mode == ASCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2069 lsort.set_compare (sparse_ascending_compare<T>);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2070 else if (mode == DESCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2071 lsort.set_compare (sparse_descending_compare<T>);
7463 2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2072 else
2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2073 abort ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2074
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2075 T *v = m.data ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2076 octave_idx_type *mcidx = m.cidx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2077 octave_idx_type *mridx = m.ridx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2078
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2079 for (octave_idx_type j = 0; j < nc; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2080 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2081 octave_idx_type ns = mcidx [j + 1] - mcidx [j];
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2082 lsort.sort (v, ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2083
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2084 octave_idx_type i;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2085 if (mode == ASCENDING)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2086 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2087 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2088 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	2089 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2090 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2091 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2092 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2093 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2094 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	2095 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2096 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2097 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	2098 mridx [k] = k;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2099 for (octave_idx_type k = i; k < ns; k++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2100 mridx [k] = k - ns + nr;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2101
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2102 v += ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2103 mridx += ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2104 }
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 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2107 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2108
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2109 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2110 }
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 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2113 Sparse<T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2114 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	2115 sortmode mode) const
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2116 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2117 Sparse<T> m = *this;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2118
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2119 octave_idx_type nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2120 octave_idx_type nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2121
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2122 if (m.length () < 1)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2123 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2124 sidx = Array<octave_idx_type> (dim_vector (nr, nc));
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2125 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2126 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2127
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2128 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2129 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2130 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2131 nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2132 nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2133 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2134
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2135 octave_sort<T> indexed_sort;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2136
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2137 if (mode == ASCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2138 indexed_sort.set_compare (sparse_ascending_compare<T>);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2139 else if (mode == DESCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2140 indexed_sort.set_compare (sparse_descending_compare<T>);
7463 2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2141 else
2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2142 abort ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2143
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2144 T *v = m.data ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2145 octave_idx_type *mcidx = m.cidx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2146 octave_idx_type *mridx = m.ridx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2147
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2148 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	2149 OCTAVE_LOCAL_BUFFER (octave_idx_type, vi, nr);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2150
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2151 for (octave_idx_type j = 0; j < nc; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2152 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2153 octave_idx_type ns = mcidx [j + 1] - mcidx [j];
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2154 octave_idx_type offset = j * nr;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2155
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2156 if (ns == 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2157 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2158 for (octave_idx_type k = 0; k < nr; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2159 sidx (offset + k) = k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2160 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2161 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2162 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2163 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	2164 vi[i] = mridx[i];
06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2165
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2166 indexed_sort.sort (v, vi, ns);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2167
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2168 octave_idx_type i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2169 if (mode == ASCENDING)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2170 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2171 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2172 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	2173 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2174 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2175 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2176 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2177 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2178 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	2179 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2180 }
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 octave_idx_type ii = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2183 octave_idx_type jj = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2184 for (octave_idx_type k = 0; k < nr; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2185 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2186 if (ii < ns && mridx[ii] == k)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2187 ii++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2188 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2189 sidx (offset + jj++) = k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2190 }
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 for (octave_idx_type k = 0; k < i; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2193 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2194 sidx (k + offset) = vi [k];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2195 mridx [k] = k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2196 }
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 for (octave_idx_type k = i; k < ns; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2199 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2200 sidx (k - ns + nr + offset) = vi [k];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2201 mridx [k] = k - ns + nr;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2202 }
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 v += ns;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2205 mridx += ns;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2206 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2207 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2208
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2209 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2210 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2211 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2212 sidx = sidx.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2213 }
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 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2216 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2217
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2218 template <class T>
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2219 Sparse<T>
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2220 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	2221 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2222 octave_idx_type nnr = rows ();
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2223 octave_idx_type nnc = cols ();
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2224 Sparse<T> d;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2225
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2226 if (nnr == 0 \|\| nnc == 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2227 ; // do nothing
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2228 else if (nnr != 1 && nnc != 1)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2229 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2230 if (k > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2231 nnc -= k;
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2232 else if (k < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2233 nnr += k;
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2234
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2235 if (nnr > 0 && nnc > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2236 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2237 octave_idx_type ndiag = (nnr < nnc) ? nnr : nnc;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2238
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2239 // Count the number of non-zero elements
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2240 octave_idx_type nel = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2241 if (k > 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2242 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2243 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2244 if (elem (i, i+k) != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2245 nel++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2246 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2247 else if ( k < 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2248 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2249 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2250 if (elem (i-k, i) != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2251 nel++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2252 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2253 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2254 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2255 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2256 if (elem (i, i) != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2257 nel++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2258 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2259
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2260 d = Sparse<T> (ndiag, 1, nel);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2261 d.xcidx (0) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2262 d.xcidx (1) = nel;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2263
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2264 octave_idx_type ii = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2265 if (k > 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2266 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2267 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2268 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2269 T tmp = elem (i, i+k);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2270 if (tmp != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2271 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2272 d.xdata (ii) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2273 d.xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2274 }
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 else if ( k < 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2278 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2279 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2280 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2281 T tmp = elem (i-k, i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2282 if (tmp != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2283 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2284 d.xdata (ii) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2285 d.xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2286 }
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 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2290 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2291 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2292 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2293 T tmp = elem (i, i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2294 if (tmp != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2295 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2296 d.xdata (ii) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2297 d.xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2298 }
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 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2302 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2303 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2304 ("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	2305 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2306 else if (nnr != 0 && nnc != 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2307 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2308 octave_idx_type roff = 0;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2309 octave_idx_type coff = 0;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2310 if (k > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2311 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2312 roff = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2313 coff = k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2314 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2315 else if (k < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2316 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2317 roff = -k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2318 coff = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2319 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2320
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2321 if (nnr == 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2322 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2323 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	2324 octave_idx_type nz = nnz ();
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2325
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2326 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	2327
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2328 if (nnz () > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2329 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2330 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	2331 d.xcidx (i) = 0;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2332
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2333 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	2334 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2335 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	2336 {
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2337 d.xdata (i) = data (i);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2338 d.xridx (i) = j + roff;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2339 }
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2340 d.xcidx (j + coff + 1) = cidx(j+1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2341 }
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2342
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2343 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	2344 d.xcidx (i) = nz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2345 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2346 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2347 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2348 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2349 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	2350 octave_idx_type nz = nnz ();
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2351
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2352 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	2353
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2354 if (nnz () > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2355 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2356 octave_idx_type ii = 0;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2357 octave_idx_type ir = ridx(0);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2358
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2359 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	2360 d.xcidx (i) = 0;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2361
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2362 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	2363 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2364 if (ir == i)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2365 {
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2366 d.xdata (ii) = data (ii);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2367 d.xridx (ii++) = ir + roff;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2368
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2369 if (ii != nz)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2370 ir = ridx (ii);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2371 }
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2372 d.xcidx (i + coff + 1) = ii;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2373 }
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2374
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2375 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	2376 d.xcidx (i) = nz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2377 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2378 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2379 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2380
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2381 return d;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2382 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2383
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2384 template <class T>
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2385 Array<T>
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2386 Sparse<T>::array_value () const
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2387 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2388 NoAlias< Array<T> > retval (dims (), T());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2389 if (rows () == 1)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2390 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2391 octave_idx_type i = 0;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2392 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	2393 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2394 if (cidx(j+1) > i)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2395 retval(j) = data (i++);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2396 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2397 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2398 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2399 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2400 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	2401 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	2402 retval (ridx(i), j) = data (i);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2403 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2404
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2405 return retval;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2406 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2407
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2408 /*
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2409 * Tests
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2410 *
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2411
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2412 %!function x = set_slice(x, dim, slice, arg)
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2413 %! switch dim
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2414 %! case 11
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2415 %! x(slice) = 2;
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2416 %! case 21
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2417 %! x(slice, :) = 2;
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2418 %! case 22
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2419 %! x(:, slice) = 2;
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2420 %! otherwise
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2421 %! error("invalid dim, '%d'", dim);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2422 %! endswitch
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2423 %! endfunction
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2424
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2425 %!function x = set_slice2(x, dim, slice)
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2426 %! switch dim
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2427 %! case 11
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2428 %! x(slice) = 2 * ones (size(slice));
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2429 %! case 21
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2430 %! 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	2431 %! case 22
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2432 %! 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	2433 %! otherwise
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2434 %! error("invalid dim, '%d'", dim);
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2435 %! endswitch
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2436 %! endfunction
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2437
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2438 %!function test_sparse_slice(size, dim, slice)
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2439 %! x = ones(size);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2440 %! s = set_slice(sparse(x), dim, slice);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2441 %! f = set_slice(x, dim, slice);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2442 %! assert (nnz(s), nnz(f));
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2443 %! assert(full(s), f);
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2444 %! s = set_slice2(sparse(x), dim, slice);
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2445 %! f = set_slice2(x, dim, slice);
4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2446 %! assert (nnz(s), nnz(f));
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2447 %! assert(full(s), f);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2448 %! endfunction
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2449
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2450 #### 1d indexing
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2451
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2452 ## size = [2 0]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2453 %!test test_sparse_slice([2 0], 11, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2454 %!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	2455 %!assert(set_slice(sparse(ones([2 0])), 11, 2), sparse([0 2]')); # sparse different from full
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2456 %!assert(set_slice(sparse(ones([2 0])), 11, 3), sparse([0 0 2]')); # sparse different from full
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2457 %!assert(set_slice(sparse(ones([2 0])), 11, 4), sparse([0 0 0 2]')); # sparse different from full
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2458
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2459 ## size = [0 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2460 %!test test_sparse_slice([0 2], 11, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2461 %!assert(set_slice(sparse(ones([0 2])), 11, 1), sparse(1,2)); # sparse different from full
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2462 %!test test_sparse_slice([0 2], 11, 2);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2463 %!test test_sparse_slice([0 2], 11, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2464 %!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	2465 %!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	2466
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2467 ## size = [2 1]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2468 %!test test_sparse_slice([2 1], 11, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2469 %!test test_sparse_slice([2 1], 11, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2470 %!test test_sparse_slice([2 1], 11, 2);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2471 %!test test_sparse_slice([2 1], 11, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2472 %!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	2473 %!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	2474
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2475 ## size = [1 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2476 %!test test_sparse_slice([1 2], 11, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2477 %!test test_sparse_slice([1 2], 11, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2478 %!test test_sparse_slice([1 2], 11, 2);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2479 %!test test_sparse_slice([1 2], 11, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2480 %!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	2481 %!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	2482
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2483 ## size = [2 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2484 %!test test_sparse_slice([2 2], 11, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2485 %!test test_sparse_slice([2 2], 11, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2486 %!test test_sparse_slice([2 2], 11, 2);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2487 %!test test_sparse_slice([2 2], 11, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2488 %!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	2489 %!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	2490 # 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	2491 %!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	2492 %!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	2493
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2494
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2495 #### 2d indexing
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2496
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2497 ## size = [2 0]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2498 %!test test_sparse_slice([2 0], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2499 %!test test_sparse_slice([2 0], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2500 %!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	2501 %!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	2502 %!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	2503 %!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	2504 %!test test_sparse_slice([2 0], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2505 %!test test_sparse_slice([2 0], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2506 %!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	2507 %!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	2508 %!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	2509 %!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	2510
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2511 ## size = [0 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2512 %!test test_sparse_slice([0 2], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2513 %!test test_sparse_slice([0 2], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2514 %!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	2515 %!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	2516 %!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	2517 %!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	2518 %!test test_sparse_slice([0 2], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2519 %!test test_sparse_slice([0 2], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2520 %!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	2521 %!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	2522 %!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	2523 %!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	2524
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2525 ## size = [2 1]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2526 %!test test_sparse_slice([2 1], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2527 %!test test_sparse_slice([2 1], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2528 %!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	2529 %!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	2530 %!test test_sparse_slice([2 1], 21, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2531 %!test test_sparse_slice([2 1], 21, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2532 %!test test_sparse_slice([2 1], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2533 %!test test_sparse_slice([2 1], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2534 %!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	2535 %!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	2536 %!test test_sparse_slice([2 1], 22, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2537 %!test test_sparse_slice([2 1], 22, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2538
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2539 ## size = [1 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2540 %!test test_sparse_slice([1 2], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2541 %!test test_sparse_slice([1 2], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2542 %!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	2543 %!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	2544 %!test test_sparse_slice([1 2], 21, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2545 %!test test_sparse_slice([1 2], 21, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2546 %!test test_sparse_slice([1 2], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2547 %!test test_sparse_slice([1 2], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2548 %!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	2549 %!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	2550 %!test test_sparse_slice([1 2], 22, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2551 %!test test_sparse_slice([1 2], 22, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2552
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2553 ## size = [2 2]
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2554 %!test test_sparse_slice([2 2], 21, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2555 %!test test_sparse_slice([2 2], 21, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2556 %!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	2557 %!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	2558 %!test test_sparse_slice([2 2], 21, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2559 %!test test_sparse_slice([2 2], 21, 4);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2560 %!test test_sparse_slice([2 2], 22, []);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2561 %!test test_sparse_slice([2 2], 22, 1);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2562 %!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	2563 %!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	2564 %!test test_sparse_slice([2 2], 22, 3);
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2565 %!test test_sparse_slice([2 2], 22, 4);
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 */
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2568
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2569 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2570 void
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2571 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	2572 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2573 os << prefix << "rep address: " << rep << "\n"
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	2574 << prefix << "rep->nzmx: " << rep->nzmx << "\n"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2575 << prefix << "rep->nrows: " << rep->nrows << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2576 << prefix << "rep->ncols: " << rep->ncols << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2577 << prefix << "rep->data: " << static_cast<void *> (rep->d) << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2578 << prefix << "rep->ridx: " << static_cast<void *> (rep->r) << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2579 << prefix << "rep->cidx: " << static_cast<void *> (rep->c) << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2580 << prefix << "rep->count: " << rep->count << "\n";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2581 }
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2582
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2583 #define INSTANTIATE_SPARSE(T, API) \
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2584 template class API Sparse<T>;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2585

Mercurial > hg > octave-nkf

annotate liboctave/Sparse.cc @ 10512:aac9f4265048