octave-dspies: liboctave/array/Sparse.cc annotate

annotate liboctave/array/Sparse.cc @ 18678:6113e0c6920b

maint: Clean up extra spaces before/after parentheses.

author	Rik <rik@octave.org>
date	Fri, 25 Apr 2014 13:25:25 -0700
parents	00539b673cd4
children	9ac2357f19bc

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
17744 d63878346099 maint: Update copyright notices for release. John W. Eaton <jwe@octave.org> parents: 17664 diff changeset	4 Copyright (C) 2004-2013 David Bateman
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11508 diff changeset	5 Copyright (C) 1998-2004 Andy Adler
10521 4d1fc073fbb7 add some missing copyright stmts Jaroslav Hajek <highegg@gmail.com> parents: 10520 diff changeset	6 Copyright (C) 2010 VZLU Prague
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	7
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	8 This file is part of Octave.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	9
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	10 Octave is free software; you can redistribute it and/or modify it
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	11 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	12 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	13 option) any later version.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	14
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	15 Octave is distributed in the hope that it will be useful, but WITHOUT
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	18 for more details.
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	19
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	20 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	21 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6988 diff changeset	22 <http://www.gnu.org/licenses/>.
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	23
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	24 */
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	25
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	26 #ifdef HAVE_CONFIG_H
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	27 #include <config.h>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	28 #endif
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	29
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	30 #include <cassert>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	31
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>
15215 9020dddc925a use std::numeric_limits for integer max and min values John W. Eaton <jwe@octave.org> parents: 15020 diff changeset	34 #include <limits>
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	35 #include <sstream>
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	36 #include <vector>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	37
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	38 #include "Array.h"
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	39 #include "MArray.h"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	40 #include "Array-util.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	41 #include "Range.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	42 #include "idx-vector.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	43 #include "lo-error.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	44 #include "quit.h"
8377 25bc2d31e1bf improve OCTAVE_LOCAL_BUFFER Jaroslav Hajek <highegg@gmail.com> parents: 8290 diff changeset	45 #include "oct-locbuf.h"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	46
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	47 #include "Sparse.h"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	48 #include "sparse-sort.h"
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	49 #include "sparse-util.h"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	50 #include "oct-spparms.h"
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	51 #include "mx-inlines.cc"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	52
13030 b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	53 #include "PermMatrix.h"
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	54
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	55 template <class T>
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	56 Sparse<T>::Sparse (const PermMatrix& a)
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	57 : rep (new typename Sparse<T>::SparseRep (a.rows (), a.cols (), a.rows ())),
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14844 diff changeset	58 dimensions (dim_vector (a.rows (), a.cols ()))
13030 b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	59 {
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	60 octave_idx_type n = a.rows ();
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	61 for (octave_idx_type i = 0; i <= n; i++)
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	62 cidx (i) = i;
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	63
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	64 const Array<octave_idx_type> pv = a.pvec ();
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	65
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	66 if (a.is_row_perm ())
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	67 {
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	68 for (octave_idx_type i = 0; i < n; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	69 ridx (pv(i)) = i;
13030 b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	70 }
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	71 else
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	72 {
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	73 for (octave_idx_type i = 0; i < n; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	74 ridx (i) = pv(i);
13030 b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	75 }
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	76
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	77 for (octave_idx_type i = 0; i < n; i++)
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	78 data (i) = 1.0;
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	79 }
b646413c3d0e Make operators do smarter sparse conversions on permutation matrices. Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12511 diff changeset	80
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	81 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	82 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	83 Sparse<T>::SparseRep::elem (octave_idx_type _r, octave_idx_type _c)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	84 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	85 octave_idx_type i;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	86
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	87 if (nzmx > 0)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	88 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	89 for (i = c[_c]; i < c[_c + 1]; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	90 if (r[i] == _r)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	91 return d[i];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	92 else if (r[i] > _r)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	93 break;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	94
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	95 // Ok, If we've gotten here, we're in trouble.. Have to create a
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	96 // new element in the sparse array. This' gonna be slow!!!
5869 6a23ee71dd86 [project @ 2006-06-29 18:04:20 by jwe] jwe parents: 5828 diff changeset	97 if (c[ncols] == nzmx)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	98 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	99 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	100 ("Sparse::SparseRep::elem (octave_idx_type, octave_idx_type): sparse matrix filled");
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	101 return *d;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	102 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	103
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	104 octave_idx_type to_move = c[ncols] - i;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	105 if (to_move != 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	106 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	107 for (octave_idx_type j = c[ncols]; j > i; j--)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	108 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	109 d[j] = d[j-1];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	110 r[j] = r[j-1];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	111 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	112 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	113
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	114 for (octave_idx_type j = _c + 1; j < ncols + 1; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	115 c[j] = c[j] + 1;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	116
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	117 d[i] = 0.;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	118 r[i] = _r;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	119
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	120 return d[i];
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	121 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	122 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	123 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	124 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	125 ("Sparse::SparseRep::elem (octave_idx_type, octave_idx_type): sparse matrix filled");
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	126 return *d;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	127 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	128 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	129
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	130 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	131 T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	132 Sparse<T>::SparseRep::celem (octave_idx_type _r, octave_idx_type _c) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	133 {
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	134 if (nzmx > 0)
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	135 for (octave_idx_type i = c[_c]; i < c[_c + 1]; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	136 if (r[i] == _r)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	137 return d[i];
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	138 return T ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	139 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	140
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	141 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	142 void
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	143 Sparse<T>::SparseRep::maybe_compress (bool remove_zeros)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	144 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	145 if (remove_zeros)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	146 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	147 octave_idx_type i = 0;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	148 octave_idx_type k = 0;
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	149 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	150 {
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	151 octave_idx_type u = c[j];
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	152 for (i = i; i < u; i++)
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14844 diff changeset	153 if (d[i] != T ())
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	154 {
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	155 d[k] = d[i];
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	156 r[k++] = r[i];
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	157 }
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	158 c[j] = k;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	159 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	160 }
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	161
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	162 change_length (c[ncols]);
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 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	166 void
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	167 Sparse<T>::SparseRep::change_length (octave_idx_type nz)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	168 {
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	169 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	170 c[j] = nz;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	171
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	172 // 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	173 // discard.
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	174 static const int frac = 5;
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	175 if (nz > nzmx \|\| nz < nzmx - nzmx/frac)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	176 {
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	177 // Reallocate.
cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	178 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	179
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	180 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	181 copy_or_memcpy (min_nzmx, r, new_ridx);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	182
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	183 delete [] r;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	184 r = new_ridx;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	185
15020 560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code. Rik <rik@octave.org> parents: 15018 diff changeset	186 T * new_data = new T [nz];
10497 cb7ffe7288f0 improve & fix SparseRep reallocation and compression Jaroslav Hajek <highegg@gmail.com> parents: 10494 diff changeset	187 copy_or_memcpy (min_nzmx, d, new_data);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	188
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	189 delete [] d;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	190 d = new_data;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	191
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	192 nzmx = nz;
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>
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	197 bool
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	198 Sparse<T>::SparseRep::indices_ok (void) const
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	199 {
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	200 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	201 }
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	202
c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9177 diff changeset	203 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	204 Sparse<T>::Sparse (octave_idx_type nr, octave_idx_type nc, T val)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	205 : rep (0), dimensions (dim_vector (nr, nc))
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	206 {
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	207 if (val != T ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	208 {
17823 eaf5c3ef3e8d avoid crash in sparse constructor (bug #) John W. Eaton <jwe@octave.org> parents: 17769 diff changeset	209 rep = new typename Sparse<T>::SparseRep (nr, nc, dimensions.safe_numel ());
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	210
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	211 octave_idx_type ii = 0;
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	212 xcidx (0) = 0;
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	213 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	214 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	215 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	216 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	217 xdata (ii) = val;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	218 xridx (ii++) = i;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	219 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	220 xcidx (j+1) = ii;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	221 }
5630 512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	222 }
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	223 else
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	224 {
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	225 rep = new typename Sparse<T>::SparseRep (nr, nc, 0);
512d0d11ae39 [project @ 2006-02-20 22:05:30 by dbateman] dbateman parents: 5604 diff changeset	226 for (octave_idx_type j = 0; j < nc+1; j++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	227 xcidx (j) = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	228 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	229 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	230
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	231 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	232 Sparse<T>::Sparse (const dim_vector& dv)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	233 : rep (0), dimensions (dv)
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	234 {
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14844 diff changeset	235 if (dv.length () != 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	236 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	237 ("Sparse::Sparse (const dim_vector&): dimension mismatch");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	238 else
14656 8d2ce821e38a Ensure sparse constructors have valid ridx and data indices even if they are zero matrices (bug #36104) David Bateman <dbateman@free.fr> parents: 14446 diff changeset	239 rep = new typename Sparse<T>::SparseRep (dv(0), dv(1), 0);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	240 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	241
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	242 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	243 Sparse<T>::Sparse (const Sparse<T>& a, const dim_vector& dv)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	244 : rep (0), dimensions (dv)
5164 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
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	247 // 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	248 unsigned long long a_nel = static_cast<unsigned long long>(a.rows ()) *
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	249 static_cast<unsigned long long>(a.cols ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	250 unsigned long long dv_nel = static_cast<unsigned long long>(dv (0)) *
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	251 static_cast<unsigned long long>(dv (1));
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	252
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	253 if (a_nel != dv_nel)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	254 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	255 ("Sparse::Sparse (const Sparse&, const dim_vector&): dimension mismatch");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	256 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	257 {
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14844 diff changeset	258 dim_vector old_dims = a.dims ();
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	259 octave_idx_type new_nzmx = a.nnz ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	260 octave_idx_type new_nr = dv (0);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	261 octave_idx_type new_nc = dv (1);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	262 octave_idx_type old_nr = old_dims (0);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	263 octave_idx_type old_nc = old_dims (1);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	264
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	265 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	266
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	267 octave_idx_type kk = 0;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	268 xcidx (0) = 0;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	269 for (octave_idx_type i = 0; i < old_nc; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	270 for (octave_idx_type j = a.cidx (i); j < a.cidx (i+1); j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	271 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	272 octave_idx_type tmp = i * old_nr + a.ridx (j);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	273 octave_idx_type ii = tmp % new_nr;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	274 octave_idx_type jj = (tmp - ii) / new_nr;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	275 for (octave_idx_type k = kk; k < jj; k++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	276 xcidx (k+1) = j;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	277 kk = jj;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	278 xdata (j) = a.data (j);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	279 xridx (j) = ii;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	280 }
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	281 for (octave_idx_type k = kk; k < new_nc; k++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	282 xcidx (k+1) = new_nzmx;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	283 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	284 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	285
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	286 template <class T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	287 Sparse<T>::Sparse (const Array<T>& a, const idx_vector& r,
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	288 const idx_vector& c, octave_idx_type nr,
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	289 octave_idx_type nc, bool sum_terms,
b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	290 octave_idx_type nzm)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	291 : rep (0), dimensions ()
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	292 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	293 if (nr < 0)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	294 nr = r.extent (0);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	295 else if (r.extent (nr) > nr)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	296 (*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	297 r.extent (nr), nr);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	298
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	299 if (nc < 0)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	300 nc = c.extent (0);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	301 else if (c.extent (nc) > nc)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	302 (*current_liboctave_error_handler)
41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	303 ("sparse: column index %d out of bound %d", r.extent (nc), nc);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	304
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	305 dimensions = dim_vector (nr, nc);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	306
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	307 octave_idx_type n = a.numel ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	308 octave_idx_type rl = r.length (nr);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	309 octave_idx_type cl = c.length (nc);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	310 bool a_scalar = n == 1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	311 if (a_scalar)
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 if (rl != 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	314 n = rl;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	315 else if (cl != 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	316 n = cl;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	317 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	318
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	319 if ((rl != 1 && rl != n) \|\| (cl != 1 && cl != n))
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	320 (*current_liboctave_error_handler) ("sparse: dimension mismatch");
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	321
17664 f4b0430fa5fd Avoid memory leak in Sparse constructor. Rik <rik@octave.org> parents: 17642 diff changeset	322 // Only create rep after input validation to avoid memory leak.
f4b0430fa5fd Avoid memory leak in Sparse constructor. Rik <rik@octave.org> parents: 17642 diff changeset	323 rep = new typename Sparse<T>::SparseRep (nr, nc, (nzm > 0 ? nzm : 0));
f4b0430fa5fd Avoid memory leak in Sparse constructor. Rik <rik@octave.org> parents: 17642 diff changeset	324
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	325 if (rl <= 1 && cl <= 1)
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 if (n == 1 && a(0) != T ())
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	328 {
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	329 change_capacity (nzm > 1 ? nzm : 1);
18083 938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	330 xcidx (0) = 0;
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	331 xridx (0) = r(0);
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	332 xdata (0) = a(0);
15358 b135f013679e maint: periodic merge of stable to default John W. Eaton <jwe@octave.org> parents: 15304 15271 diff changeset	333
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	334 for (octave_idx_type j = 0; j < nc; j++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	335 xcidx (j+1) = j >= c(0);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	336 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	337 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	338 else if (a_scalar)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	339 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	340 // This is completely specialized, because the sorts can be simplified.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	341 T a0 = a(0);
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14844 diff changeset	342 if (a0 == T ())
10509 ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	343 {
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	344 // Do nothing, it's an empty matrix.
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	345 }
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	346 else if (cl == 1)
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	347 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	348 // Sparse column vector. Sort row indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	349 idx_vector rs = r.sorted ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	350
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	351 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	352
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	353 const octave_idx_type *rd = rs.raw ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	354 // Count unique indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	355 octave_idx_type new_nz = 1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	356 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	357 new_nz += rd[i-1] != rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	358 // Allocate result.
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	359 change_capacity (nzm > new_nz ? nzm : new_nz);
14656 8d2ce821e38a Ensure sparse constructors have valid ridx and data indices even if they are zero matrices (bug #36104) David Bateman <dbateman@free.fr> parents: 14446 diff changeset	360 xcidx (0) = 0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	361 xcidx (1) = new_nz;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	362 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	363 T *rrd = data ();
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 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	366
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	367 octave_idx_type k = -1;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	368 octave_idx_type l = -1;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	369
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	370 if (sum_terms)
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 // Sum repeated indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	373 for (octave_idx_type i = 0; i < n; i++)
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 if (rd[i] != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	376 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	377 l = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	378 rri[++k] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	379 rrd[k] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	380 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	381 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	382 rrd[k] += a0;
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 else
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 // Pick the last one.
11571 0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	388 for (octave_idx_type i = 0; i < n; i++)
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	389 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	390 if (rd[i] != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	391 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	392 l = rd[i];
11571 0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	393 rri[++k] = rd[i];
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	394 rrd[k] = a0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	395 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	396 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	397 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	398
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 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	401 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	402 idx_vector rr = r;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	403 idx_vector cc = c;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	404 const octave_idx_type *rd = rr.raw ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	405 const octave_idx_type *cd = cc.raw ();
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	406 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	407 ci[0] = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	408 // Bin counts of column indices.
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 ci[cd[i]+1]++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	411 // Make them cumulative, shifted one to right.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	412 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	413 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	414 octave_idx_type s1 = s + ci[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	415 ci[i] = s;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	416 s = s1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	417 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	418
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	419 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	420
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	421 // Bucket sort.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	422 OCTAVE_LOCAL_BUFFER (octave_idx_type, sidx, n);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	423 for (octave_idx_type i = 0; i < n; i++)
11571 0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	424 if (rl == 1)
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	425 sidx[ci[cd[i]+1]++] = rd[0];
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	426 else
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	427 sidx[ci[cd[i]+1]++] = rd[i];
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	428
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	429 // Subsorts. We don't need a stable sort, all values are equal.
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	430 xcidx (0) = 0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	431 for (octave_idx_type j = 0; j < nc; j++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	432 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	433 std::sort (sidx + ci[j], sidx + ci[j+1]);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	434 octave_idx_type l = -1;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	435 octave_idx_type nzj = 0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	436 // Count.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	437 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	438 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	439 octave_idx_type k = sidx[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	440 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	441 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	442 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	443 nzj++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	444 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	445 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	446 // Set column pointer.
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	447 xcidx (j+1) = xcidx (j) + nzj;
10479 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
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	450 change_capacity (nzm > xcidx (nc) ? nzm : xcidx (nc));
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	451 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	452 T *rrd = data ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	453
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	454 // Fill-in data.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	455 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	456 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	457 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	458 octave_idx_type l = -1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	459 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	460 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	461 // Sum adjacent terms.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	462 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	463 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	464 octave_idx_type k = sidx[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	465 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	466 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	467 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	468 rrd[++jj] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	469 rri[jj] = k;
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 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	472 rrd[jj] += a0;
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 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	475 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	476 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	477 // Use the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	478 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	479 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	480 octave_idx_type k = sidx[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	481 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	482 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	483 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	484 rrd[++jj] = a0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	485 rri[jj] = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	486 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	487 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	488 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	489 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	490 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	491 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	492 else if (cl == 1)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	493 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	494 // Sparse column vector. Sort row indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	495 Array<octave_idx_type> rsi;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	496 idx_vector rs = r.sorted (rsi);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	497
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	498 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	499
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	500 const octave_idx_type *rd = rs.raw ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	501 const octave_idx_type *rdi = rsi.data ();
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	502 // Count unique indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	503 octave_idx_type new_nz = 1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	504 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	505 new_nz += rd[i-1] != rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	506 // Allocate result.
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	507 change_capacity (nzm > new_nz ? nzm : new_nz);
18083 938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	508 xcidx (0) = 0;
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	509 xcidx (1) = new_nz;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	510 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	511 T *rrd = data ();
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 octave_quit ();
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 octave_idx_type k = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	516 rri[k] = rd[0];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	517 rrd[k] = a(rdi[0]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	518
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	519 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	520 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	521 // Sum repeated indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	522 for (octave_idx_type i = 1; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	523 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	524 if (rd[i] != rd[i-1])
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 rri[++k] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	527 rrd[k] = a(rdi[i]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	528 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	529 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	530 rrd[k] += a(rdi[i]);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	531 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	532 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	533 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	534 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	535 // Pick the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	536 for (octave_idx_type i = 1; i < n; 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 if (rd[i] != rd[i-1])
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	539 rri[++k] = rd[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	540 rrd[k] = a(rdi[i]);
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 }
10509 ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	543
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	544 maybe_compress (true);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	545 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	546 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	547 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	548 idx_vector rr = r;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	549 idx_vector cc = c;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	550 const octave_idx_type *rd = rr.raw ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	551 const octave_idx_type *cd = cc.raw ();
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	552 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	553 ci[0] = 0;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	554 // Bin counts of column indices.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	555 for (octave_idx_type i = 0; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	556 ci[cd[i]+1]++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	557 // Make them cumulative, shifted one to right.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	558 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	559 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	560 octave_idx_type s1 = s + ci[i];
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	561 ci[i] = s;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	562 s = s1;
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
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	565 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	566
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	567 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	568 // Bucket sort.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	569 OCTAVE_LOCAL_BUFFER (idx_pair, spairs, n);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	570 for (octave_idx_type i = 0; i < n; i++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	571 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	572 idx_pair& p = spairs[ci[cd[i]+1]++];
11571 0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	573 if (rl == 1)
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	574 p.first = rd[0];
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	575 else
0e414f837c58 Fix indexing error in the construction of sparse matrices David Bateman <dbateman@free.fr> parents: 11570 diff changeset	576 p.first = rd[i];
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	577 p.second = i;
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
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	580 // Subsorts. We don't need a stable sort, the second index stabilizes it.
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	581 xcidx (0) = 0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	582 for (octave_idx_type j = 0; j < nc; j++)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	583 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	584 std::sort (spairs + ci[j], spairs + ci[j+1]);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	585 octave_idx_type l = -1;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	586 octave_idx_type nzj = 0;
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	587 // Count.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	588 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	589 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	590 octave_idx_type k = spairs[i].first;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	591 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	592 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	593 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	594 nzj++;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	595 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	596 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	597 // Set column pointer.
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	598 xcidx (j+1) = xcidx (j) + nzj;
10479 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
10527 b4d2080b6df7 Replace nzmax by nnz as needed David Bateman <dbateman@free.fr> parents: 10521 diff changeset	601 change_capacity (nzm > xcidx (nc) ? nzm : xcidx (nc));
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	602 octave_idx_type *rri = ridx ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	603 T *rrd = data ();
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 // Fill-in data.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	606 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	607 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	608 octave_quit ();
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	609 octave_idx_type l = -1;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	610 if (sum_terms)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	611 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	612 // Sum adjacent terms.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	613 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	614 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	615 octave_idx_type k = spairs[i].first;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	616 if (k != l)
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 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	619 rrd[++jj] = a(spairs[i].second);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	620 rri[jj] = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	621 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	622 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	623 rrd[jj] += a(spairs[i].second);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	624 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	625 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	626 else
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	627 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	628 // Use the last one.
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	629 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	630 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	631 octave_idx_type k = spairs[i].first;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	632 if (k != l)
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	633 {
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	634 l = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	635 rri[++jj] = k;
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	636 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	637 rrd[jj] = a(spairs[i].second);
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	638 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	639 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	640 }
10509 ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	641
ddbd812d09aa properly compress sparse matrices after assembly Jaroslav Hajek <highegg@gmail.com> parents: 10506 diff changeset	642 maybe_compress (true);
10479 ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	643 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	644 }
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	645
ded9beac7582 optimize sparse matrix assembly Jaroslav Hajek <highegg@gmail.com> parents: 10468 diff changeset	646 template <class T>
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	647 Sparse<T>::Sparse (const Array<T>& a)
11508 41866901ec62 Sparse.cc: more constructor fixes John W. Eaton <jwe@octave.org> parents: 11311 diff changeset	648 : rep (0), dimensions (a.dims ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	649 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	650 if (dimensions.length () > 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	651 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	652 ("Sparse::Sparse (const Array<T>&): dimension mismatch");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	653 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	654 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	655 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	656 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	657 octave_idx_type len = a.length ();
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	658 octave_idx_type new_nzmx = 0;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	659
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	660 // First count the number of non-zero terms
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	661 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	662 if (a(i) != T ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	663 new_nzmx++;
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	664
2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	665 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	666
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	667 octave_idx_type ii = 0;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	668 xcidx (0) = 0;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	669 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	670 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	671 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	672 if (a.elem (i,j) != T ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	673 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	674 xdata (ii) = a.elem (i,j);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	675 xridx (ii++) = i;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	676 }
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	677 xcidx (j+1) = ii;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	678 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	679 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	680 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	681
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	682 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	683 Sparse<T>::~Sparse (void)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	684 {
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 13841 diff changeset	685 if (--rep->count == 0)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	686 delete rep;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	687 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	688
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	689 template <class T>
7717 ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	690 Sparse<T>&
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	691 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	692 {
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	693 if (this != &a)
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	694 {
13985 43cc49c7abd1 Use thread-safe atomic reference counting (GCC and MSVC). Michael Goffioul <michael.goffioul@gmail.com> parents: 13841 diff changeset	695 if (--rep->count == 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	696 delete rep;
7717 ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	697
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	698 rep = a.rep;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	699 rep->count++;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	700
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	701 dimensions = a.dimensions;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	702 }
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	703
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	704 return *this;
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	705 }
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	706
ff918ee1a983 Delete idx in Sparse<T> and Array<T> operator = David Bateman <dbateman@free.fr> parents: 7620 diff changeset	707 template <class T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	708 octave_idx_type
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	709 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	710 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	711 octave_idx_type retval = -1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	712
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	713 octave_idx_type n = dimensions.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	714
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	715 if (n > 0 && n == ra_idx.length ())
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	716 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	717 retval = ra_idx(--n);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	718
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	719 while (--n >= 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	720 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	721 retval *= dimensions(n);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	722 retval += ra_idx(n);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	723 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	724 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	725 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	726 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	727 ("Sparse<T>::compute_index: invalid ra_idxing operation");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	728
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	729 return retval;
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 n) const
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) ("%s (%d): range error", fcn, n);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	737 return T ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	738 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	739
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	740 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	741 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	742 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	743 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	744 (*current_liboctave_error_handler) ("%s (%d): range error", fcn, n);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	745 static T foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	746 return foo;
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
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	749 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	750 T
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	751 Sparse<T>::range_error (const char *fcn, octave_idx_type i,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	752 octave_idx_type j) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	753 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	754 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	755 ("%s (%d, %d): range error", fcn, i, j);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	756 return T ();
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
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	759 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	760 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	761 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	762 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	763 (*current_liboctave_error_handler)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	764 ("%s (%d, %d): range error", fcn, i, j);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	765 static T foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	766 return foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	767 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	768
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	769 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	770 T
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	771 Sparse<T>::range_error (const char *fcn,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	772 const Array<octave_idx_type>& ra_idx) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	773 {
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	774 std::ostringstream buf;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	775
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	776 buf << fcn << " (";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	777
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	778 octave_idx_type n = ra_idx.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	779
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	780 if (n > 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	781 buf << ra_idx(0);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	782
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	783 for (octave_idx_type i = 1; i < n; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	784 buf << ", " << ra_idx(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	785
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	786 buf << "): range error";
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	787
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	788 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	789
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	790 (*current_liboctave_error_handler) (buf_str.c_str ());
5164 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 return T ();
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	793 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	794
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	795 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	796 T&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	797 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	798 {
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	799 std::ostringstream buf;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	800
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	801 buf << fcn << " (";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	802
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	803 octave_idx_type n = ra_idx.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	804
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	805 if (n > 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	806 buf << ra_idx(0);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	807
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	808 for (octave_idx_type i = 1; i < n; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	809 buf << ", " << ra_idx(i);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	810
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	811 buf << "): range error";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	812
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	813 std::string buf_str = buf.str ();
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	814
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5760 diff changeset	815 (*current_liboctave_error_handler) (buf_str.c_str ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	816
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	817 static T foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	818 return foo;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	819 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	820
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	821 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	822 Sparse<T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	823 Sparse<T>::reshape (const dim_vector& new_dims) const
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	824 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	825 Sparse<T> retval;
6689 8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	826 dim_vector dims2 = new_dims;
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	827
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	828 if (dims2.length () > 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	829 {
6814 8c89a644df8a [project @ 2007-08-14 17:30:59 by jwe] jwe parents: 6813 diff changeset	830 (*current_liboctave_warning_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	831 ("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	832
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14844 diff changeset	833 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	834 dims2(1) *= dims2(i);
6814 8c89a644df8a [project @ 2007-08-14 17:30:59 by jwe] jwe parents: 6813 diff changeset	835
6689 8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	836 dims2.resize (2);
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	837 }
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	838
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	839 if (dimensions != dims2)
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	840 {
8e0444d90050 [project @ 2007-06-04 22:28:19 by dbateman] dbateman parents: 6101 diff changeset	841 if (dimensions.numel () == dims2.numel ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	842 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	843 octave_idx_type new_nnz = nnz ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	844 octave_idx_type new_nr = dims2 (0);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	845 octave_idx_type new_nc = dims2 (1);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	846 octave_idx_type old_nr = rows ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	847 octave_idx_type old_nc = cols ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	848 retval = Sparse<T> (new_nr, new_nc, new_nnz);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	849
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	850 octave_idx_type kk = 0;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	851 retval.xcidx (0) = 0;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	852 for (octave_idx_type i = 0; i < old_nc; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	853 for (octave_idx_type j = cidx (i); j < cidx (i+1); j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	854 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	855 octave_idx_type tmp = i * old_nr + ridx (j);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	856 octave_idx_type ii = tmp % new_nr;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	857 octave_idx_type jj = (tmp - ii) / new_nr;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	858 for (octave_idx_type k = kk; k < jj; k++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	859 retval.xcidx (k+1) = j;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	860 kk = jj;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	861 retval.xdata (j) = data (j);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	862 retval.xridx (j) = ii;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	863 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	864 for (octave_idx_type k = kk; k < new_nc; k++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	865 retval.xcidx (k+1) = new_nnz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	866 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	867 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	868 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	869 std::string dimensions_str = dimensions.str ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	870 std::string new_dims_str = new_dims.str ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	871
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	872 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	873 ("reshape: can't reshape %s array to %s array",
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	874 dimensions_str.c_str (), new_dims_str.c_str ());
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	875 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	876 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	877 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	878 retval = *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	879
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	880 return retval;
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 Sparse<T>
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	885 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	886 {
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	887 // 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	888
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	889 bool fail = false;
6817 2e7f62e52c13 [project @ 2007-08-19 19:36:40 by dbateman] dbateman parents: 6814 diff changeset	890 bool trans = false;
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	891
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	892 if (perm_vec.length () == 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	893 {
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	894 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	895 /* do nothing */;
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	896 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	897 trans = true;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	898 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	899 fail = true;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	900 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	901 else
6813 75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	902 fail = true;
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	903
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	904 if (fail)
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	905 (*current_liboctave_error_handler)
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	906 ("permutation vector contains an invalid element");
75d99621f850 [project @ 2007-08-14 17:14:18 by jwe] jwe parents: 6689 diff changeset	907
6817 2e7f62e52c13 [project @ 2007-08-19 19:36:40 by dbateman] dbateman parents: 6814 diff changeset	908 return trans ? this->transpose () : *this;
5164 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
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	911 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	912 void
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	913 Sparse<T>::resize1 (octave_idx_type n)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	914 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	915 octave_idx_type nr = rows ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	916 octave_idx_type nc = cols ();
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	917
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	918 if (nr == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	919 resize (1, std::max (nc, n));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	920 else if (nc == 0)
10520 72c90e7132a9 fix failing sparse assignment tests Jaroslav Hajek <highegg@gmail.com> parents: 10516 diff changeset	921 resize (nr, (n + nr - 1) / nr); // Ain't it wicked?
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	922 else if (nr == 1)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	923 resize (1, n);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	924 else if (nc == 1)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	925 resize (n, 1);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	926 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	927 gripe_invalid_resize ();
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	928 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	929
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	930 template <class T>
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	931 void
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	932 Sparse<T>::resize (const dim_vector& dv)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	933 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	934 octave_idx_type n = dv.length ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	935
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	936 if (n != 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	937 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	938 (*current_liboctave_error_handler) ("sparse array must be 2-D");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	939 return;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	940 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	941
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	942 resize (dv(0), dv(1));
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	943 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	944
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	945 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	946 void
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	947 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	948 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	949 if (r < 0 \|\| c < 0)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	950 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	951 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	952 ("can't resize to negative dimension");
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	953 return;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	954 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	955
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	956 if (r == dim1 () && c == dim2 ())
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	957 return;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	958
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	959 // 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	960 // Sparse rep. It is not good for anything in there.
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	961 make_unique ();
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 if (r < rows ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	964 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	965 octave_idx_type i = 0;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	966 octave_idx_type k = 0;
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	967 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	968 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	969 octave_idx_type u = xcidx (j);
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	970 for (i = i; i < u; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	971 if (xridx (i) < r)
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	972 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	973 xdata (k) = xdata (i);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	974 xridx (k++) = xridx (i);
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	975 }
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	976 xcidx (j) = k;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	977 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	978 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	979
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	980 rep->nrows = dimensions(0) = r;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	981
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	982 if (c != rep->ncols)
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	983 {
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	984 octave_idx_type *new_cidx = new octave_idx_type [c+1];
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	985 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	986 delete [] rep->c;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	987 rep->c = new_cidx;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	988
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	989 if (c > rep->ncols)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	990 fill_or_memset (c - rep->ncols, rep->c[rep->ncols],
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	991 rep->c + rep->ncols + 1);
10499 fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	992 }
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	993
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	994 rep->ncols = dimensions(1) = c;
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	995
fabed15083a4 optimize sparse resize Jaroslav Hajek <highegg@gmail.com> parents: 10497 diff changeset	996 rep->change_length (rep->nnz ());
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	997 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	998
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	999 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1000 Sparse<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1001 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	1002 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1003 octave_idx_type a_rows = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1004 octave_idx_type a_cols = a.cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1005 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1006 octave_idx_type nc = cols ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1007
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1008 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	1009 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1010 (*current_liboctave_error_handler) ("range error for insert");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1011 return *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1012 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1013
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1014 // First count the number of elements in the final array
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1015 octave_idx_type nel = cidx (c) + a.nnz ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1016
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1017 if (c + a_cols < nc)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1018 nel += cidx (nc) - cidx (c + a_cols);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1019
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1020 for (octave_idx_type i = c; i < c + a_cols; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1021 for (octave_idx_type j = cidx (i); j < cidx (i+1); j++)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1022 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	1023 nel++;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1024
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1025 Sparse<T> tmp (*this);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1026 --rep->count;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1027 rep = new typename Sparse<T>::SparseRep (nr, nc, nel);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1028
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1029 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	1030 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1031 data (i) = tmp.data (i);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1032 ridx (i) = tmp.ridx (i);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1033 }
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1034 for (octave_idx_type i = 0; i < c + 1; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1035 cidx (i) = tmp.cidx (i);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1036
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1037 octave_idx_type ii = cidx (c);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1038
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1039 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	1040 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	1041 octave_quit ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1042
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1043 for (octave_idx_type j = tmp.cidx (i); j < tmp.cidx (i+1); j++)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1044 if (tmp.ridx (j) < r)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1045 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1046 data (ii) = tmp.data (j);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1047 ridx (ii++) = tmp.ridx (j);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1048 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1049
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	1050 octave_quit ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1051
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1052 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	1053 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1054 data (ii) = a.data (j);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1055 ridx (ii++) = r + a.ridx (j);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1056 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1057
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9469 diff changeset	1058 octave_quit ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1059
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1060 for (octave_idx_type j = tmp.cidx (i); j < tmp.cidx (i+1); j++)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1061 if (tmp.ridx (j) >= r + a_rows)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1062 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1063 data (ii) = tmp.data (j);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1064 ridx (ii++) = tmp.ridx (j);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1065 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1066
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1067 cidx (i+1) = ii;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1068 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1069
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1070 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	1071 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1072 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	1073 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1074 data (ii) = tmp.data (j);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1075 ridx (ii++) = tmp.ridx (j);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1076 }
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1077 cidx (i+1) = ii;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1078 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1079
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1080 return *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1081 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1082
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1083 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1084 Sparse<T>&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1085 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	1086 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1087
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1088 if (ra_idx.length () != 2)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1089 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1090 (*current_liboctave_error_handler) ("range error for insert");
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1091 return *this;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1092 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1093
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1094 return insert (a, ra_idx (0), ra_idx (1));
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1095 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1096
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1097 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1098 Sparse<T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1099 Sparse<T>::transpose (void) const
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 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1102
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1103 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1104 octave_idx_type nc = cols ();
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1105 octave_idx_type nz = nnz ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1106 Sparse<T> retval (nc, nr, nz);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1107
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1108 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	1109 retval.xcidx (ridx (i) + 1)++;
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1110 // 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	1111 nz = 0;
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1112 for (octave_idx_type i = 1; i <= nr; i++)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1113 {
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1114 const octave_idx_type tmp = retval.xcidx (i);
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1115 retval.xcidx (i) = nz;
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1116 nz += tmp;
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1117 }
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1118 // 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	1119
69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1120 for (octave_idx_type j = 0; j < nc; j++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1121 for (octave_idx_type k = cidx (j); k < cidx (j+1); k++)
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1122 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1123 octave_idx_type q = retval.xcidx (ridx (k) + 1)++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1124 retval.xridx (q) = j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1125 retval.xdata (q) = data (k);
5648 69a4f320d95a [project @ 2006-03-08 20:17:37 by dbateman] dbateman parents: 5630 diff changeset	1126 }
8987 542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1127 assert (nnz () == retval.xcidx (nr));
542015fada9e Eliminate the workspace in sparse transpose. Jason Riedy <jason@acm.org> parents: 8920 diff changeset	1128 // 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	1129 // 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	1130
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1131 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1132 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1133
10493 2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1134 // 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	1135 // 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	1136 // small columns.
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1137 static octave_idx_type
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1138 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	1139 octave_idx_type ri)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1140 {
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1141 if (nr <= 8)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1142 {
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1143 octave_idx_type l;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1144 for (l = 0; l < nr; l++)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1145 if (ridx[l] >= ri)
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1146 break;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1147 return l;
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1148 }
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1149 else
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1150 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	1151 }
2f8bacc2a57d fix order of func defs in Sparse.cc Jaroslav Hajek <highegg@gmail.com> parents: 10490 diff changeset	1152
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1153 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1154 void
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1155 Sparse<T>::delete_elements (const idx_vector& idx)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1156 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1157 Sparse<T> retval;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1158
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1159 assert (ndims () == 2);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1160
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1161 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1162 octave_idx_type nc = dim2 ();
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1163 octave_idx_type nz = nnz ();
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1164
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1165 octave_idx_type nel = numel (); // Can throw.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1166
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1167 const dim_vector idx_dims = idx.orig_dimensions ();
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1168
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1169 if (idx.extent (nel) > nel)
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1170 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	1171 else if (nc == 1)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1172 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1173 // Sparse column vector.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1174 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	1175
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1176 octave_idx_type lb, ub;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1177
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1178 if (idx.is_cont_range (nel, lb, ub))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1179 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1180 // Special-case a contiguous range.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1181 // Look-up indices first.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1182 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	1183 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	1184 // Copy data and adjust indices.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1185 octave_idx_type nz_new = nz - (ui - li);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1186 *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	1187 copy_or_memcpy (li, tmp.data (), data ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1188 copy_or_memcpy (li, tmp.ridx (), xridx ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1189 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	1190 mx_inline_sub (nz - ui, xridx () + li, tmp.ridx () + ui, ub - lb);
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1191 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	1192 }
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	1193 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	1194 {
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1195 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	1196 OCTAVE_LOCAL_BUFFER (T, data_new, nz);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1197 idx_vector sidx = idx.sorted (true);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1198 const octave_idx_type *sj = sidx.raw ();
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1199 octave_idx_type sl = sidx.length (nel);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1200 octave_idx_type nz_new = 0;
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1201 octave_idx_type j = 0;
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1202 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	1203 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1204 octave_idx_type r = tmp.ridx (i);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1205 for (; j < sl && sj[j] < r; j++) ;
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1206 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	1207 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1208 data_new[nz_new] = tmp.data (i);
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1209 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	1210 }
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	1211 }
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1212
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1213 *this = Sparse<T> (nr - sl, 1, nz_new);
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1214 copy_or_memcpy (nz_new, ridx_new, ridx ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1215 copy_or_memcpy (nz_new, data_new, xdata ());
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1216 xcidx (1) = nz_new;
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1217 }
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1218 }
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1219 else if (nr == 1)
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1220 {
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1221 // Sparse row vector.
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1222 octave_idx_type lb, ub;
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1223 if (idx.is_cont_range (nc, lb, ub))
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1224 {
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1225 const Sparse<T> tmp = *this;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1226 octave_idx_type lbi = tmp.cidx (lb);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1227 octave_idx_type ubi = tmp.cidx (ub);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1228 octave_idx_type new_nz = nz - (ubi - lbi);
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1229 *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	1230 copy_or_memcpy (lbi, tmp.data (), data ());
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1231 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	1232 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	1233 copy_or_memcpy (lb, tmp.cidx () + 1, cidx () + 1);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1234 mx_inline_sub (nc - ub, xcidx () + 1, tmp.cidx () + ub + 1,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1235 ubi - lbi);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1236 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1237 else
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1238 *this = index (idx.complement (nc));
6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1239 }
17642 7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1240 else if (idx.length (nel) != 0)
10484 6a9571b57745 rewrite sparse null assignment (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10480 diff changeset	1241 {
17642 7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1242 if (idx.is_colon_equiv (nel))
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1243 *this = Sparse<T> ();
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1244 else
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1245 {
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1246 *this = index (idx_vector::colon);
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1247 delete_elements (idx);
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1248 *this = transpose (); // We want a row vector.
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1249 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1250 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1251 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1252
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1253 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1254 void
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1255 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	1256 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1257 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1258
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1259 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1260 octave_idx_type nc = dim2 ();
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1261 octave_idx_type nz = nnz ();
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1262
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1263 if (idx_i.is_colon ())
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1264 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1265 // Deleting columns.
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1266 octave_idx_type lb, ub;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1267 if (idx_j.extent (nc) > nc)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1268 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	1269 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	1270 {
14794 41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1271 if (lb == 0 && ub == nc)
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1272 {
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1273 // Delete all rows and columns.
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1274 *this = Sparse<T> (nr, 0);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1275 }
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1276 else if (nz == 0)
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1277 {
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1278 // No elements to preserve; adjust dimensions.
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1279 *this = Sparse<T> (nr, nc - (ub - lb));
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1280 }
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1281 else
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1282 {
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1283 const Sparse<T> tmp = *this;
18083 938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	1284 octave_idx_type lbi = tmp.cidx (lb);
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	1285 octave_idx_type ubi = tmp.cidx (ub);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1286 octave_idx_type new_nz = nz - (ubi - lbi);
14792 8483286c0a13 Update Sparse sources to GNU standards (whitespace changes only) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14791 diff changeset	1287
14794 41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1288 *this = Sparse<T> (nr, nc - (ub - lb), new_nz);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1289 copy_or_memcpy (lbi, tmp.data (), data ());
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1290 copy_or_memcpy (lbi, tmp.ridx (), ridx ());
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1291 copy_or_memcpy (nz - ubi, tmp.data () + ubi, xdata () + lbi);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1292 copy_or_memcpy (nz - ubi, tmp.ridx () + ubi, xridx () + lbi);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1293 copy_or_memcpy (lb, tmp.cidx () + 1, cidx () + 1);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1294 mx_inline_sub (nc - ub, xcidx () + lb + 1,
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1295 tmp.cidx () + ub + 1, ubi - lbi);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1296 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1297 }
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1298 else
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1299 *this = index (idx_i, idx_j.complement (nc));
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1300 }
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1301 else if (idx_j.is_colon ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1302 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1303 // Deleting rows.
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1304 octave_idx_type lb, ub;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1305 if (idx_i.extent (nr) > nr)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1306 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	1307 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	1308 {
14794 41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1309 if (lb == 0 && ub == nr)
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1310 {
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1311 // Delete all rows and columns.
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1312 *this = Sparse<T> (0, nc);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1313 }
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1314 else if (nz == 0)
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1315 {
14794 41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1316 // No elements to preserve; adjust dimensions.
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1317 *this = Sparse<T> (nr - (ub - lb), nc);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1318 }
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1319 else
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1320 {
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1321 // This is more memory-efficient than the approach below.
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1322 const Sparse<T> tmpl = index (idx_vector (0, lb), idx_j);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1323 const Sparse<T> tmpu = index (idx_vector (ub, nr), idx_j);
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1324 *this = Sparse<T> (nr - (ub - lb), nc,
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1325 tmpl.nnz () + tmpu.nnz ());
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1326 for (octave_idx_type j = 0, k = 0; j < nc; j++)
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1327 {
18083 938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	1328 for (octave_idx_type i = tmpl.cidx (j); i < tmpl.cidx (j+1);
14794 41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1329 i++)
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1330 {
18083 938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	1331 xdata (k) = tmpl.data (i);
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	1332 xridx (k++) = tmpl.ridx (i);
14794 41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1333 }
18083 938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	1334 for (octave_idx_type i = tmpu.cidx (j); i < tmpu.cidx (j+1);
14794 41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1335 i++)
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1336 {
18083 938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	1337 xdata (k) = tmpu.data (i);
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	1338 xridx (k++) = tmpu.ridx (i) + lb;
14794 41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1339 }
41dcb2c5bb1a Special-case removing rows or columns from empty sparse matrices John W. Eaton <jwe@octave.org> parents: 14792 diff changeset	1340
18083 938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array. Rik <rik@octave.org> parents: 17823 diff changeset	1341 xcidx (j+1) = k;
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1342 }
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1343 }
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1344 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1345 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1346 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1347 // 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	1348 // again.
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1349 Sparse<T> tmp = transpose ();
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1350 tmp.delete_elements (idx_j, idx_i);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1351 *this = tmp.transpose ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1352 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1353 }
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1354 else
17642 7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1355 {
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1356 // Empty assignment (no elements to delete) is OK if there is at
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1357 // least one zero-length index and at most one other index that is
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1358 // non-colon (or equivalent) index. Since we only have two
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1359 // indices, we just need to check that we have at least one zero
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1360 // length index. Matlab considers "[]" to be an empty index but
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1361 // not "false". We accept both.
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1362
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1363 bool empty_assignment
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1364 = (idx_i.length (nr) == 0 \|\| idx_j.length (nc) == 0);
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1365
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1366 if (! empty_assignment)
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1367 (*current_liboctave_error_handler)
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1368 ("a null assignment can only have one non-colon index");
7ed397c8ca68 improve compatibility of null assignment (bug #31287) John W. Eaton <jwe@octave.org> parents: 17285 diff changeset	1369 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1370 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1371
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1372 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1373 void
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1374 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	1375 {
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1376 if (dim == 0)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1377 delete_elements (idx, idx_vector::colon);
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1378 else if (dim == 1)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1379 delete_elements (idx_vector::colon, idx);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1380 else
10490 fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1381 {
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1382 (*current_liboctave_error_handler)
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1383 ("invalid dimension in delete_elements");
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1384 return;
fdccd69d26bd rewrite sparse null assignment (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10484 diff changeset	1385 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1386 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1387
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1388 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1389 Sparse<T>
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1390 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	1391 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1392 Sparse<T> retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1393
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1394 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1395
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1396 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1397 octave_idx_type nc = dim2 ();
5681 233d98d95659 [project @ 2006-03-16 17:48:55 by dbateman] dbateman parents: 5648 diff changeset	1398 octave_idx_type nz = nnz ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1399
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1400 octave_idx_type nel = numel (); // Can throw.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1401
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1402 const dim_vector idx_dims = idx.orig_dimensions ();
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1403
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1404 if (idx_dims.length () > 2)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1405 (*current_liboctave_error_handler)
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1406 ("cannot index sparse matrix with an N-D Array");
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1407 else if (idx.is_colon ())
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1408 {
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1409 if (nc == 1)
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1410 retval = *this;
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1411 else
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1412 {
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1413 // Fast magic colon processing.
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1414 retval = Sparse<T> (nel, 1, nz);
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1415
e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1416 for (octave_idx_type i = 0; i < nc; i++)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1417 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1418 for (octave_idx_type j = cidx (i); j < cidx (i+1); j++)
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1419 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1420 retval.xdata (j) = data (j);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1421 retval.xridx (j) = ridx (j) + i * nr;
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1422 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1423 }
10494 e52f41fd82c7 optimize (:) indexing of sparse column vectors Jaroslav Hajek <highegg@gmail.com> parents: 10493 diff changeset	1424
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1425 retval.xcidx (0) = 0;
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1426 retval.xcidx (1) = nz;
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1427 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1428 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1429 else if (idx.extent (nel) > nel)
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1430 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1431 // resize_ok is completely handled here.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1432 if (resize_ok)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1433 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1434 octave_idx_type ext = idx.extent (nel);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1435 Sparse<T> tmp = *this;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1436 tmp.resize1 (ext);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1437 retval = tmp.index (idx);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1438 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1439 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1440 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	1441 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1442 else if (nr == 1 && nc == 1)
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1443 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1444 // 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	1445 // since you have a scalar stored as a sparse matrix, and
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1446 // then want to make a dense matrix with sparse
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1447 // representation. Ok, we'll do it, but you deserve what
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1448 // you get!!
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1449 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	1450 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1451 else if (nc == 1)
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1452 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1453 // Sparse column vector.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1454 octave_idx_type lb, ub;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1455
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1456 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	1457 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1458 // Scalar index - just a binary lookup.
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1459 octave_idx_type i = lblookup (ridx (), nz, idx(0));
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1460 if (i < nz && ridx (i) == idx(0))
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1461 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	1462 else
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1463 retval = Sparse (1, 1);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1464 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1465 else if (idx.is_cont_range (nel, lb, ub))
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1466 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1467 // Special-case a contiguous range.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1468 // Look-up indices first.
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1469 octave_idx_type li = lblookup (ridx (), nz, lb);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1470 octave_idx_type ui = lblookup (ridx (), nz, ub);
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1471 // Copy data and adjust indices.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1472 octave_idx_type nz_new = ui - li;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1473 retval = Sparse<T> (ub - lb, 1, nz_new);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1474 copy_or_memcpy (nz_new, data () + li, retval.data ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1475 mx_inline_sub (nz_new, retval.xridx (), ridx () + li, lb);
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1476 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	1477 }
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1478 else if (idx.is_permutation (nel) && idx.is_vector ())
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1479 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1480 if (idx.is_range () && idx.increment () == -1)
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1481 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1482 retval = Sparse<T> (nr, 1, nz);
14433 ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1483
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1484 for (octave_idx_type j = 0; j < nz; j++)
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1485 retval.ridx (j) = nr - ridx (nz - j - 1) - 1;
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1486
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	1487 copy_or_memcpy (2, cidx (), retval.cidx ());
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1488 std::reverse_copy (data (), data () + nz, retval.data ());
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1489 }
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1490 else
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1491 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1492 Array<T> tmp = array_value ();
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1493 tmp = tmp.index (idx);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1494 retval = Sparse<T> (tmp);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1495 }
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1496 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1497 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1498 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1499 // 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	1500 // sparse column vector, otherwise it inherits the shape of index.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1501 // Vector transpose is cheap, so do it right here.
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1502 const Array<octave_idx_type> idxa = (idx_dims(0) == 1
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1503 ? idx.as_array ().transpose ()
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1504 : idx.as_array ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1505
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1506 octave_idx_type new_nr = idxa.rows ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1507 octave_idx_type new_nc = idxa.cols ();
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1508
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1509 // Lookup.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1510 // FIXME: Could specialize for sorted idx?
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1511 NoAlias< Array<octave_idx_type> > lidx (dim_vector (new_nr, new_nc));
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1512 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	1513 lidx(i) = lblookup (ridx (), nz, idxa(i));
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1514
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1515 // Count matches.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1516 retval = Sparse<T> (idxa.rows (), idxa.cols ());
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1517 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	1518 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1519 octave_idx_type nzj = 0;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1520 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	1521 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1522 octave_idx_type l = lidx(i, j);
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1523 if (l < nz && ridx (l) == idxa(i, j))
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1524 nzj++;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1525 else
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1526 lidx(i, j) = nz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1527 }
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1528 retval.xcidx (j+1) = retval.xcidx (j) + nzj;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1529 }
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1530
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1531 retval.change_capacity (retval.xcidx (new_nc));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1532
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1533 // Copy data and set row indices.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1534 octave_idx_type k = 0;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1535 for (octave_idx_type j = 0; j < new_nc; j++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1536 for (octave_idx_type i = 0; i < new_nr; i++)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1537 {
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1538 octave_idx_type l = lidx(i, j);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1539 if (l < nz)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1540 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1541 retval.data (k) = data (l);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1542 retval.xridx (k++) = i;
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1543 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1544 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1545 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1546 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1547 else if (nr == 1)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1548 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1549 octave_idx_type lb, ub;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1550 if (idx.is_scalar ())
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1551 retval = Sparse<T> (1, 1, elem (0, idx(0)));
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1552 else if (idx.is_cont_range (nel, lb, ub))
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1553 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1554 // Special-case a contiguous range.
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1555 octave_idx_type lbi = cidx (lb);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1556 octave_idx_type ubi = cidx (ub);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1557 octave_idx_type new_nz = ubi - lbi;
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1558 retval = Sparse<T> (1, ub - lb, new_nz);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1559 copy_or_memcpy (new_nz, data () + lbi, retval.data ());
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1560 fill_or_memset (new_nz, static_cast<octave_idx_type> (0),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1561 retval.ridx ());
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1562 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	1563 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1564 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1565 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1566 // 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	1567 // convert the matrix to full, index, and sparsify the result.
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1568 retval = Sparse<T> (array_value ().index (idx));
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1569 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1570 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1571 else
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1572 {
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1573 if (nr != 0 && idx.is_scalar ())
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1574 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	1575 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1576 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1577 // Indexing a non-vector sparse matrix by linear indexing.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1578 // I suppose this is rare (and it may easily overflow), so let's take
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1579 // the easy way, and reshape first to column vector, which is already
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1580 // handled above.
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1581 retval = index (idx_vector::colon).index (idx);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1582 // In this case we're supposed to always inherit the shape, but
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1583 // column(row) doesn't do it, so we'll do it instead.
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1584 if (idx_dims(0) == 1 && idx_dims(1) != 1)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	1585 retval = retval.transpose ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1586 }
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1587 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1588
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1589 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1590 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1591
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1592 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1593 Sparse<T>
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1594 Sparse<T>::index (const idx_vector& idx_i, const idx_vector& idx_j,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1595 bool resize_ok) const
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1596 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1597 Sparse<T> retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1598
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1599 assert (ndims () == 2);
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1600
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1601 octave_idx_type nr = dim1 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1602 octave_idx_type nc = dim2 ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5166 diff changeset	1603
10421 99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1604 octave_idx_type n = idx_i.length (nr);
99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1605 octave_idx_type m = idx_j.length (nc);
99e9bae2d81e improve sparse indexing interface Jaroslav Hajek <highegg@gmail.com> parents: 10382 diff changeset	1606
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1607 octave_idx_type lb, ub;
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1608
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1609 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	1610 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1611 // resize_ok is completely handled here.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1612 if (resize_ok)
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1613 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1614 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	1615 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	1616 Sparse<T> tmp = *this;
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1617 tmp.resize (ext_i, ext_j);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1618 retval = tmp.index (idx_i, idx_j);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1619 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1620 else if (idx_i.extent (nr) > nr)
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1621 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	1622 else
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1623 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	1624 }
16803 f4eef73b6e90 When indexing scalars stored as sparse matrices, convert to an array, index and then resparsify (bug #37774) David Bateman <dbateman@free.fr> parents: 15358 diff changeset	1625 else if (nr == 1 && nc == 1)
f4eef73b6e90 When indexing scalars stored as sparse matrices, convert to an array, index and then resparsify (bug #37774) David Bateman <dbateman@free.fr> parents: 15358 diff changeset	1626 {
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1627 // Scalars stored as sparse matrices occupy more memory than
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1628 // a scalar, so let's just convert the matrix to full, index,
16803 f4eef73b6e90 When indexing scalars stored as sparse matrices, convert to an array, index and then resparsify (bug #37774) David Bateman <dbateman@free.fr> parents: 15358 diff changeset	1629 // and sparsify the result.
f4eef73b6e90 When indexing scalars stored as sparse matrices, convert to an array, index and then resparsify (bug #37774) David Bateman <dbateman@free.fr> parents: 15358 diff changeset	1630
f4eef73b6e90 When indexing scalars stored as sparse matrices, convert to an array, index and then resparsify (bug #37774) David Bateman <dbateman@free.fr> parents: 15358 diff changeset	1631 retval = Sparse<T> (array_value ().index (idx_i, idx_j));
f4eef73b6e90 When indexing scalars stored as sparse matrices, convert to an array, index and then resparsify (bug #37774) David Bateman <dbateman@free.fr> parents: 15358 diff changeset	1632 }
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1633 else if (idx_i.is_colon ())
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1634 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1635 // 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	1636 // 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	1637 if (idx_j.is_colon ())
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1638 retval = *this; // Shallow copy.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1639 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	1640 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1641 // Special-case a contiguous range.
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1642 octave_idx_type lbi = cidx (lb);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1643 octave_idx_type ubi = cidx (ub);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1644 octave_idx_type new_nz = ubi - lbi;
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1645 retval = Sparse<T> (nr, ub - lb, new_nz);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1646 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	1647 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	1648 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	1649 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1650 else
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1651 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1652 // Count new nonzero elements.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1653 retval = Sparse<T> (nr, m);
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1654 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	1655 {
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1656 octave_idx_type jj = idx_j(j);
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1657 retval.xcidx (j+1) = retval.xcidx (j) + (cidx (jj+1) - cidx (jj));
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1658 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1659
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1660 retval.change_capacity (retval.xcidx (m));
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1661
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1662 // Copy data & indices.
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1663 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	1664 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1665 octave_idx_type ljj = cidx (idx_j(j));
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1666 octave_idx_type lj = retval.xcidx (j);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1667 octave_idx_type nzj = retval.xcidx (j+1) - lj;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1668
10432 10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1669 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	1670 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	1671 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1672 }
10207338603a improve sparse 2D indexing (part 1) Jaroslav Hajek <highegg@gmail.com> parents: 10425 diff changeset	1673 }
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1674 else if (nc == 1 && idx_j.is_colon_equiv (nc) && idx_i.is_vector ())
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1675 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1676 // It's actually vector indexing. The 1D index is specialized for that.
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1677 retval = index (idx_i);
14790 b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14789 diff changeset	1678
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14789 diff changeset	1679 // If nr == 1 then the vector indexing will return a column vector!!
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14789 diff changeset	1680 if (nr == 1)
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14844 diff changeset	1681 retval.transpose ();
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1682 }
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1683 else if (idx_i.is_scalar ())
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1684 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1685 octave_idx_type ii = idx_i(0);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1686 retval = Sparse<T> (1, m);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1687 OCTAVE_LOCAL_BUFFER (octave_idx_type, ij, m);
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1688 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	1689 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1690 octave_quit ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1691 octave_idx_type jj = idx_j(j);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1692 octave_idx_type lj = cidx (jj);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1693 octave_idx_type nzj = cidx (jj+1) - cidx (jj);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1694
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1695 // Scalar index - just a binary lookup.
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1696 octave_idx_type i = lblookup (ridx () + lj, nzj, ii);
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1697 if (i < nzj && ridx (i+lj) == ii)
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1698 {
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1699 ij[j] = i + lj;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1700 retval.xcidx (j+1) = retval.xcidx (j) + 1;
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1701 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1702 else
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1703 retval.xcidx (j+1) = retval.xcidx (j);
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1704 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1705
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1706 retval.change_capacity (retval.xcidx (m));
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1707
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1708 // Copy data, adjust row indices.
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1709 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	1710 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1711 octave_idx_type i = retval.xcidx (j);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1712 if (retval.xcidx (j+1) > i)
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1713 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1714 retval.xridx (i) = 0;
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1715 retval.xdata (i) = data (ij[j]);
10442 3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1716 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1717 }
3011d1765a6e improve sparse 2d indexing (part 2) Jaroslav Hajek <highegg@gmail.com> parents: 10432 diff changeset	1718 }
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1719 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	1720 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1721 retval = Sparse<T> (n, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1722 OCTAVE_LOCAL_BUFFER (octave_idx_type, li, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1723 OCTAVE_LOCAL_BUFFER (octave_idx_type, ui, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1724 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	1725 {
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1726 octave_quit ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1727 octave_idx_type jj = idx_j(j);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1728 octave_idx_type lj = cidx (jj);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1729 octave_idx_type nzj = cidx (jj+1) - cidx (jj);
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1730 octave_idx_type lij, uij;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1731
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1732 // Lookup indices.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1733 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	1734 ui[j] = uij = lblookup (ridx () + lj, nzj, ub) + lj;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1735 retval.xcidx (j+1) = retval.xcidx (j) + ui[j] - li[j];
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1736 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1737
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1738 retval.change_capacity (retval.xcidx (m));
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1739
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1740 // Copy data, adjust row indices.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1741 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	1742 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1743 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1744 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	1745 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1746 retval.xdata (k) = data (i);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1747 retval.xridx (k++) = ridx (i) - lb;
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1748 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1749 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1750 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1751 else if (idx_i.is_permutation (nr))
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1752 {
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1753 // The columns preserve their length, just need to renumber and sort them.
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1754 // Count new nonzero elements.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1755 retval = Sparse<T> (nr, m);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1756 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	1757 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1758 octave_idx_type jj = idx_j(j);
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1759 retval.xcidx (j+1) = retval.xcidx (j) + (cidx (jj+1) - cidx (jj));
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1760 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1761
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1762 retval.change_capacity (retval.xcidx (m));
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1763
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1764 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1765
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1766 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	1767 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1768 // 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	1769 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	1770 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1771 octave_quit ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1772 octave_idx_type jj = idx_j(j);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1773 octave_idx_type lj = cidx (jj);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1774 octave_idx_type nzj = cidx (jj+1) - cidx (jj);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1775 octave_idx_type li = retval.xcidx (j);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1776 octave_idx_type uj = lj + nzj - 1;
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1777 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	1778 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1779 retval.xdata (li + i) = data (uj - i); // Copy in reverse order.
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1780 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	1781 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1782 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	1783 }
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1784 else
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1785 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1786 // Get inverse permutation.
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1787 idx_vector idx_iinv = idx_i.inverse_permutation (nr);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1788 const octave_idx_type *iinv = idx_iinv.raw ();
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1789
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1790 // Scatter buffer.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1791 OCTAVE_LOCAL_BUFFER (T, scb, nr);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1792 octave_idx_type *rri = retval.ridx ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1793
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1794 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	1795 {
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1796 octave_quit ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1797 octave_idx_type jj = idx_j(j);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1798 octave_idx_type lj = cidx (jj);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1799 octave_idx_type nzj = cidx (jj+1) - cidx (jj);
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1800 octave_idx_type li = retval.xcidx (j);
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1801 // Scatter the column, transform indices.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1802 for (octave_idx_type i = 0; i < nzj; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1803 scb[rri[li + i] = iinv[ridx (lj + i)]] = data (lj + i);
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1804
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1805 octave_quit ();
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1806
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1807 // Sort them.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1808 std::sort (rri + li, rri + li + nzj);
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1809
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1810 // Gather.
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1811 for (octave_idx_type i = 0; i < nzj; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1812 retval.xdata (li + i) = scb[rri[li + i]];
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1813 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1814 }
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1815
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1816 }
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1817 else if (idx_j.is_colon ())
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1818 {
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1819 // This requires uncompressing columns, which is generally costly,
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1820 // so we rely on the efficient transpose to handle this.
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1821 // It may still make sense to optimize some cases here.
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1822 retval = transpose ();
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1823 retval = retval.index (idx_vector::colon, idx_i);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1824 retval = retval.transpose ();
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1825 }
10468 197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1826 else
197b096001b7 improve sparse 2d indexing (part 3) Jaroslav Hajek <highegg@gmail.com> parents: 10442 diff changeset	1827 {
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1828 // A(I, J) is decomposed into A(:, J)(I, :).
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1829 retval = index (idx_vector::colon, idx_j);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	1830 retval = retval.index (idx_i, idx_vector::colon);
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1831 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1832
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1833 return retval;
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1834 }
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	1835
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1836 template <class T>
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1837 void
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1838 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	1839 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1840 Sparse<T> retval;
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 assert (ndims () == 2);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1843
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1844 octave_idx_type nr = dim1 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1845 octave_idx_type nc = dim2 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1846 octave_idx_type nz = nnz ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1847
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1848 octave_idx_type n = numel (); // Can throw.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1849
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1850 octave_idx_type rhl = rhs.numel ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1851
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1852 if (idx.length (n) == rhl)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1853 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1854 if (rhl == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1855 return;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1856
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1857 octave_idx_type nx = idx.extent (n);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1858 // Try to resize first if necessary.
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1859 if (nx != n)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1860 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1861 resize1 (nx);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1862 n = numel ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1863 nr = rows ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1864 nc = cols ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1865 // nz is preserved.
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
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1868 if (idx.is_colon ())
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 *this = rhs.reshape (dimensions);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1871 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1872 else if (nc == 1 && rhs.cols () == 1)
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 // Sparse column vector to sparse column vector assignment.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1875
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1876 octave_idx_type lb, ub;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1877 if (idx.is_cont_range (nr, lb, ub))
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 // Special-case a contiguous range.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1880 // Look-up indices first.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1881 octave_idx_type li = lblookup (ridx (), nz, lb);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1882 octave_idx_type ui = lblookup (ridx (), nz, ub);
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1883 octave_idx_type rnz = rhs.nnz ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	1884 octave_idx_type new_nz = nz - (ui - li) + rnz;
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1885
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1886 if (new_nz >= nz && new_nz <= capacity ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1887 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1888 // Adding/overwriting elements, enough capacity allocated.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1889
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1890 if (new_nz > nz)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1891 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1892 // Make room first.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1893 std::copy_backward (data () + ui, data () + nz,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1894 data () + nz + rnz);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1895 std::copy_backward (ridx () + ui, ridx () + nz,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1896 ridx () + nz + rnz);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1897 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	1898
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1899 // Copy data and adjust indices from rhs.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1900 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1901 mx_inline_add (rnz, ridx () + li, rhs.ridx (), lb);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1902 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1903 else
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 // Clearing elements or exceeding capacity, allocate afresh
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1906 // and paste pieces.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1907 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1908 *this = Sparse<T> (nr, 1, new_nz);
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 // Head ...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1911 copy_or_memcpy (li, tmp.data (), data ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1912 copy_or_memcpy (li, tmp.ridx (), ridx ());
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 // new stuff ...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1915 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1916 mx_inline_add (rnz, ridx () + li, rhs.ridx (), lb);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1917
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1918 // ...tail
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1919 copy_or_memcpy (nz - ui, tmp.data () + ui,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1920 data () + li + rnz);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1921 copy_or_memcpy (nz - ui, tmp.ridx () + ui,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	1922 ridx () + li + rnz);
10512 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
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1925 cidx (1) = new_nz;
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1926 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1927 else if (idx.is_range () && idx.increment () == -1)
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 // It's s(u:-1:l) = r. Reverse the assignment.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1930 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	1931 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1932 else if (idx.is_permutation (n))
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 *this = rhs.index (idx.inverse_permutation (n));
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 else if (rhs.nnz () == 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1937 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1938 // Elements are being zeroed.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1939 octave_idx_type *ri = ridx ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1940 for (octave_idx_type i = 0; i < rhl; i++)
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 octave_idx_type iidx = idx(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1943 octave_idx_type li = lblookup (ri, nz, iidx);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1944 if (li != nz && ri[li] == iidx)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	1945 xdata (li) = T ();
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1946 }
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 maybe_compress (true);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1949 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1950 else
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 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1953 octave_idx_type new_nz = nz + rhl;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1954 // Disassembly our matrix...
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1955 Array<octave_idx_type> new_ri (dim_vector (new_nz, 1));
57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1956 Array<T> new_data (dim_vector (new_nz, 1));
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1957 copy_or_memcpy (nz, tmp.ridx (), new_ri.fortran_vec ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1958 copy_or_memcpy (nz, tmp.data (), new_data.fortran_vec ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1959 // ... insert new data (densified) ...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1960 idx.copy_data (new_ri.fortran_vec () + nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1961 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	1962 // ... reassembly.
10586 ec3cec8277df fixes for --enable-64 John W. Eaton <jwe@octave.org> parents: 10543 diff changeset	1963 *this = Sparse<T> (new_data, new_ri,
ec3cec8277df fixes for --enable-64 John W. Eaton <jwe@octave.org> parents: 10543 diff changeset	1964 static_cast<octave_idx_type> (0),
ec3cec8277df fixes for --enable-64 John W. Eaton <jwe@octave.org> parents: 10543 diff changeset	1965 nr, nc, false);
10512 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 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1968 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1969 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1970 dim_vector save_dims = dimensions;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1971 *this = index (idx_vector::colon);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1972 assign (idx, rhs.index (idx_vector::colon));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1973 *this = reshape (save_dims);
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 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1976 else if (rhl == 1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1977 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1978 rhl = idx.length (n);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1979 if (rhs.nnz () != 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1980 assign (idx, Sparse<T> (rhl, 1, rhs.data (0)));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1981 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1982 assign (idx, Sparse<T> (rhl, 1));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1983 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1984 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1985 gripe_invalid_assignment_size ();
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 template <class T>
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1989 void
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1990 Sparse<T>::assign (const idx_vector& idx_i,
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1991 const idx_vector& idx_j, const Sparse<T>& rhs)
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 Sparse<T> retval;
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 assert (ndims () == 2);
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 octave_idx_type nr = dim1 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1998 octave_idx_type nc = dim2 ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	1999 octave_idx_type nz = nnz ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2000
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2001 octave_idx_type n = rhs.rows ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2002 octave_idx_type m = rhs.columns ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2003
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2004 // FIXME: this should probably be written more like the
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2005 // Array<T>::assign function...
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2006
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2007 bool orig_zero_by_zero = (nr == 0 && nc == 0);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2008
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2009 if (orig_zero_by_zero \|\| (idx_i.length (nr) == n && idx_j.length (nc) == m))
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2010 {
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2011 octave_idx_type nrx;
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2012 octave_idx_type ncx;
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2013
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2014 if (orig_zero_by_zero)
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2015 {
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2016 if (idx_i.is_colon ())
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2017 {
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2018 nrx = n;
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2019
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2020 if (idx_j.is_colon ())
12318 211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	2021 ncx = m;
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2022 else
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2023 ncx = idx_j.extent (nc);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2024 }
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2025 else if (idx_j.is_colon ())
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2026 {
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2027 nrx = idx_i.extent (nr);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2028 ncx = m;
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2029 }
12318 211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	2030 else
211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	2031 {
211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	2032 nrx = idx_i.extent (nr);
211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	2033 ncx = idx_j.extent (nc);
211f8c905a4f sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 12184 diff changeset	2034 }
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2035 }
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2036 else
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2037 {
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2038 nrx = idx_i.extent (nr);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2039 ncx = idx_j.extent (nc);
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2040 }
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2041
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2042 // Try to resize first if necessary.
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2043 if (nrx != nr \|\| ncx != nc)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2044 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2045 resize (nrx, ncx);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2046 nr = rows ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2047 nc = cols ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2048 // nz is preserved.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2049 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2050
12184 d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2051 if (n == 0 \|\| m == 0)
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2052 return;
d8de1a28274c sparse matrix indexed assignment bug John W. Eaton <jwe@octave.org> parents: 11590 diff changeset	2053
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2054 if (idx_i.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2055 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2056 octave_idx_type lb, ub;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2057 // 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	2058 // efficient, because the columns can stay compressed as they are.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2059 if (idx_j.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2060 *this = rhs; // Shallow copy.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2061 else if (idx_j.is_cont_range (nc, lb, ub))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2062 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2063 // Special-case a contiguous range.
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	2064 octave_idx_type li = cidx (lb);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	2065 octave_idx_type ui = cidx (ub);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	2066 octave_idx_type rnz = rhs.nnz ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	2067 octave_idx_type new_nz = nz - (ui - li) + rnz;
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2068
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2069 if (new_nz >= nz && new_nz <= capacity ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2070 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2071 // Adding/overwriting elements, enough capacity allocated.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2072
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2073 if (new_nz > nz)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2074 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2075 // Make room first.
12511 85e87b865f71 Change copy_backward to copy in Sparse<T>::assign, bug #32747 Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12318 diff changeset	2076 std::copy (data () + ui, data () + nz,
85e87b865f71 Change copy_backward to copy in Sparse<T>::assign, bug #32747 Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12318 diff changeset	2077 data () + li + rnz);
85e87b865f71 Change copy_backward to copy in Sparse<T>::assign, bug #32747 Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12318 diff changeset	2078 std::copy (ridx () + ui, ridx () + nz,
85e87b865f71 Change copy_backward to copy in Sparse<T>::assign, bug #32747 Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12318 diff changeset	2079 ridx () + li + rnz);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2080 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	2081 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2082
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2083 // Copy data and indices from rhs.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2084 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2085 copy_or_memcpy (rnz, rhs.ridx (), ridx () + li);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2086 mx_inline_add (ub - lb, cidx () + lb + 1, rhs.cidx () + 1,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2087 li);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2088
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2089 assert (nnz () == new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2090 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2091 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2092 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2093 // Clearing elements or exceeding capacity, allocate afresh
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2094 // and paste pieces.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2095 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2096 *this = Sparse<T> (nr, nc, new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2097
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2098 // Head...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2099 copy_or_memcpy (li, tmp.data (), data ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2100 copy_or_memcpy (li, tmp.ridx (), ridx ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2101 copy_or_memcpy (lb, tmp.cidx () + 1, cidx () + 1);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2102
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2103 // new stuff...
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2104 copy_or_memcpy (rnz, rhs.data (), data () + li);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2105 copy_or_memcpy (rnz, rhs.ridx (), ridx () + li);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2106 mx_inline_add (ub - lb, cidx () + lb + 1, rhs.cidx () + 1,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2107 li);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2108
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2109 // ...tail.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2110 copy_or_memcpy (nz - ui, tmp.data () + ui,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2111 data () + li + rnz);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2112 copy_or_memcpy (nz - ui, tmp.ridx () + ui,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2113 ridx () + li + rnz);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2114 mx_inline_add (nc - ub, cidx () + ub + 1,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2115 tmp.cidx () + ub + 1, new_nz - nz);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2116
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2117 assert (nnz () == new_nz);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2118 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2119 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2120 else if (idx_j.is_range () && idx_j.increment () == -1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2121 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2122 // It's s(:,u:-1:l) = r. Reverse the assignment.
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2123 assign (idx_i, idx_j.sorted (),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2124 rhs.index (idx_i, idx_vector (m - 1, 0, -1)));
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2125 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2126 else if (idx_j.is_permutation (nc))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2127 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2128 *this = rhs.index (idx_i, idx_j.inverse_permutation (nc));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2129 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2130 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2131 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2132 const Sparse<T> tmp = *this;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2133 *this = Sparse<T> (nr, nc);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2134 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, jsav, nc, -1);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2135
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2136 // Assemble column lengths.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2137 for (octave_idx_type i = 0; i < nc; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2138 xcidx (i+1) = tmp.cidx (i+1) - tmp.cidx (i);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2139
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2140 for (octave_idx_type i = 0; i < m; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2141 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2142 octave_idx_type j =idx_j(i);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2143 jsav[j] = i;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2144 xcidx (j+1) = rhs.cidx (i+1) - rhs.cidx (i);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2145 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2146
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2147 // Make cumulative.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2148 for (octave_idx_type i = 0; i < nc; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2149 xcidx (i+1) += xcidx (i);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2150
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2151 change_capacity (nnz ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2152
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2153 // Merge columns.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2154 for (octave_idx_type i = 0; i < nc; i++)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2155 {
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	2156 octave_idx_type l = xcidx (i);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	2157 octave_idx_type u = xcidx (i+1);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	2158 octave_idx_type j = jsav[i];
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2159 if (j >= 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2160 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2161 // from rhs
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2162 octave_idx_type k = rhs.cidx (j);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2163 copy_or_memcpy (u - l, rhs.data () + k, xdata () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2164 copy_or_memcpy (u - l, rhs.ridx () + k, xridx () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2165 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2166 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2167 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2168 // original
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2169 octave_idx_type k = tmp.cidx (i);
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2170 copy_or_memcpy (u - l, tmp.data () + k, xdata () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2171 copy_or_memcpy (u - l, tmp.ridx () + k, xridx () + l);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2172 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2173 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2174
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2175 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2176 }
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	2177 else if (nc == 1 && idx_j.is_colon_equiv (nc) && idx_i.is_vector ())
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	2178 {
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2179 // It's just vector indexing. The 1D assign is specialized for that.
10516 f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	2180 assign (idx_i, rhs);
f0266ee4aabe optimize some special indexing & assignment cases Jaroslav Hajek <highegg@gmail.com> parents: 10512 diff changeset	2181 }
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2182 else if (idx_j.is_colon ())
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2183 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2184 if (idx_i.is_permutation (nr))
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2185 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2186 *this = rhs.index (idx_i.inverse_permutation (nr), idx_j);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2187 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2188 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2189 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2190 // FIXME: optimize more special cases?
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2191 // In general this requires unpacking the columns, which is slow,
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2192 // especially for many small columns. OTOH, transpose is an
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2193 // efficient O(nr+nc+nnz) operation.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2194 *this = transpose ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2195 assign (idx_vector::colon, idx_i, rhs.transpose ());
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2196 *this = transpose ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2197 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2198 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2199 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2200 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2201 // Split it into 2 assignments and one indexing.
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2202 Sparse<T> tmp = index (idx_vector::colon, idx_j);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2203 tmp.assign (idx_i, idx_vector::colon, rhs);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2204 assign (idx_vector::colon, idx_j, tmp);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2205 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2206 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2207 else if (m == 1 && n == 1)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2208 {
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2209 n = idx_i.length (nr);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2210 m = idx_j.length (nc);
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2211 if (rhs.nnz () != 0)
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2212 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	2213 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2214 assign (idx_i, idx_j, Sparse<T> (n, m));
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2215 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2216 else
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2217 gripe_assignment_dimension_mismatch ();
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2218 }
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2219
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2220 // Can't use versions of these in Array.cc due to duplication of the
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2221 // instantiations for Array<double and Sparse<double>, etc
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2222 template <class T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2223 bool
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2224 sparse_ascending_compare (typename ref_param<T>::type a,
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2225 typename ref_param<T>::type b)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2226 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2227 return (a < b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2228 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2229
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2230 template <class T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2231 bool
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2232 sparse_descending_compare (typename ref_param<T>::type a,
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2233 typename ref_param<T>::type b)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2234 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2235 return (a > b);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2236 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2237
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2238 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2239 Sparse<T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2240 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	2241 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2242 Sparse<T> m = *this;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2243
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2244 octave_idx_type nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2245 octave_idx_type nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2246
10703 5eb420d92307 fix sort and nth_element when trailing singleton dim is specified Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	2247 if (m.length () < 1 \|\| dim > 1)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2248 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2249
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2250 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2251 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2252 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2253 nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2254 nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2255 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2256
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2257 octave_sort<T> lsort;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2258
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2259 if (mode == ASCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2260 lsort.set_compare (sparse_ascending_compare<T>);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2261 else if (mode == DESCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2262 lsort.set_compare (sparse_descending_compare<T>);
7463 2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2263 else
2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2264 abort ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2265
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2266 T *v = m.data ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2267 octave_idx_type *mcidx = m.cidx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2268 octave_idx_type *mridx = m.ridx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2269
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2270 for (octave_idx_type j = 0; j < nc; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2271 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2272 octave_idx_type ns = mcidx[j + 1] - mcidx[j];
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2273 lsort.sort (v, ns);
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2274
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2275 octave_idx_type i;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2276 if (mode == ASCENDING)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2277 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2278 for (i = 0; i < ns; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2279 if (sparse_ascending_compare<T> (static_cast<T> (0), v[i]))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2280 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2281 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2282 else
10314 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 for (i = 0; i < ns; i++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2285 if (sparse_descending_compare<T> (static_cast<T> (0), v[i]))
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2286 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2287 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2288 for (octave_idx_type k = 0; k < i; k++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2289 mridx[k] = k;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2290 for (octave_idx_type k = i; k < ns; k++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2291 mridx[k] = k - ns + nr;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2292
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2293 v += ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2294 mridx += ns;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2295 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2296
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2297 if (dim > 0)
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2298 m = m.transpose ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2299
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2300 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2301 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2302
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2303 template <class T>
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2304 Sparse<T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2305 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	2306 sortmode mode) const
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2307 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2308 Sparse<T> m = *this;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2309
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2310 octave_idx_type nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2311 octave_idx_type nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2312
10703 5eb420d92307 fix sort and nth_element when trailing singleton dim is specified Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	2313 if (m.length () < 1 \|\| dim > 1)
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2314 {
10703 5eb420d92307 fix sort and nth_element when trailing singleton dim is specified Jaroslav Hajek <highegg@gmail.com> parents: 10586 diff changeset	2315 sidx = Array<octave_idx_type> (dim_vector (nr, nc), 1);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2316 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2317 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2318
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2319 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2320 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2321 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2322 nr = m.rows ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2323 nc = m.columns ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2324 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2325
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2326 octave_sort<T> indexed_sort;
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2327
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2328 if (mode == ASCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2329 indexed_sort.set_compare (sparse_ascending_compare<T>);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2330 else if (mode == DESCENDING)
8752 06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2331 indexed_sort.set_compare (sparse_descending_compare<T>);
7463 2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2332 else
2467639bd8c0 eliminate UNDEFINED sort mode John W. Eaton <jwe@octave.org> parents: 7433 diff changeset	2333 abort ();
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2334
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2335 T *v = m.data ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2336 octave_idx_type *mcidx = m.cidx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2337 octave_idx_type *mridx = m.ridx ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2338
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2339 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	2340 OCTAVE_LOCAL_BUFFER (octave_idx_type, vi, nr);
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2341
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2342 for (octave_idx_type j = 0; j < nc; j++)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2343 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2344 octave_idx_type ns = mcidx[j + 1] - mcidx[j];
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2345 octave_idx_type offset = j * nr;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2346
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2347 if (ns == 0)
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 for (octave_idx_type k = 0; k < nr; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2350 sidx (offset + k) = k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2351 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2352 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2353 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2354 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	2355 vi[i] = mridx[i];
06b9903a029b fix & clean up complex & sparse sorting Jaroslav Hajek <highegg@gmail.com> parents: 8677 diff changeset	2356
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2357 indexed_sort.sort (v, vi, ns);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2358
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2359 octave_idx_type i;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2360 if (mode == ASCENDING)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2361 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2362 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2363 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	2364 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2365 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2366 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2367 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2368 for (i = 0; i < ns; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2369 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	2370 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2371 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2372
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2373 octave_idx_type ii = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2374 octave_idx_type jj = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2375 for (octave_idx_type k = 0; k < nr; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2376 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2377 if (ii < ns && mridx[ii] == k)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2378 ii++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2379 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2380 sidx (offset + jj++) = k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2381 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2382
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2383 for (octave_idx_type k = 0; k < i; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2384 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2385 sidx (k + offset) = vi[k];
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2386 mridx[k] = k;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2387 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2388
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2389 for (octave_idx_type k = i; k < ns; k++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2390 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2391 sidx (k - ns + nr + offset) = vi[k];
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2392 mridx[k] = k - ns + nr;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2393 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2394
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2395 v += ns;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2396 mridx += ns;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2397 }
7433 402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2398 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2399
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2400 if (dim > 0)
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2401 {
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2402 m = m.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2403 sidx = sidx.transpose ();
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2404 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2405
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2406 return m;
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2407 }
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman] dbateman parents: 7356 diff changeset	2408
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2409 template <class T>
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2410 Sparse<T>
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2411 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	2412 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2413 octave_idx_type nnr = rows ();
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2414 octave_idx_type nnc = cols ();
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2415 Sparse<T> d;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2416
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2417 if (nnr == 0 \|\| nnc == 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2418 ; // do nothing
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2419 else if (nnr != 1 && nnc != 1)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2420 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2421 if (k > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2422 nnc -= k;
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2423 else if (k < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2424 nnr += k;
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2425
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2426 if (nnr > 0 && nnc > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2427 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2428 octave_idx_type ndiag = (nnr < nnc) ? nnr : nnc;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2429
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2430 // Count the number of non-zero elements
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2431 octave_idx_type nel = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2432 if (k > 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2433 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2434 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2435 if (elem (i, i+k) != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2436 nel++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2437 }
18678 6113e0c6920b maint: Clean up extra spaces before/after parentheses. Rik <rik@octave.org> parents: 18278 diff changeset	2438 else if (k < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2439 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2440 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2441 if (elem (i-k, i) != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2442 nel++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2443 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2444 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2445 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2446 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2447 if (elem (i, i) != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2448 nel++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2449 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2450
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2451 d = Sparse<T> (ndiag, 1, nel);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2452 d.xcidx (0) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2453 d.xcidx (1) = nel;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2454
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2455 octave_idx_type ii = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2456 if (k > 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2457 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2458 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2459 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2460 T tmp = elem (i, i+k);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2461 if (tmp != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2462 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2463 d.xdata (ii) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2464 d.xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2465 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2466 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2467 }
18678 6113e0c6920b maint: Clean up extra spaces before/after parentheses. Rik <rik@octave.org> parents: 18278 diff changeset	2468 else if (k < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2469 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2470 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2471 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2472 T tmp = elem (i-k, i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2473 if (tmp != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2474 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2475 d.xdata (ii) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2476 d.xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2477 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2478 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2479 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2480 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2481 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2482 for (octave_idx_type i = 0; i < ndiag; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2483 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2484 T tmp = elem (i, i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2485 if (tmp != 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2486 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2487 d.xdata (ii) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2488 d.xridx (ii++) = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2489 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2490 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2491 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2492 }
18278 00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2493 else
00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2494 {
00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2495 // Matlab returns [] 0x1 for out-of-range diagonal
00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2496
00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2497 octave_idx_type nr = 0;
00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2498 octave_idx_type nc = 1;
00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2499 octave_idx_type nz = 0;
00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2500
00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2501 d = Sparse<T> (nr, nc, nz);
00539b673cd4 Sparse.cc: Fix C++ function ambiguity (bug #41145). John W. Eaton <jwe@octave.org> parents: 18146 diff changeset	2502 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2503 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2504 else if (nnr != 0 && nnc != 0)
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2505 {
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2506 octave_idx_type roff = 0;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2507 octave_idx_type coff = 0;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2508 if (k > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2509 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2510 roff = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2511 coff = k;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2512 }
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2513 else if (k < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2514 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2515 roff = -k;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2516 coff = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2517 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2518
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2519 if (nnr == 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2520 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2521 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	2522 octave_idx_type nz = nnz ();
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2523
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2524 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	2525
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2526 if (nnz () > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2527 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2528 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	2529 d.xcidx (i) = 0;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2530
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2531 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	2532 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2533 for (octave_idx_type i = cidx (j); i < cidx (j+1); i++)
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2534 {
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2535 d.xdata (i) = data (i);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2536 d.xridx (i) = j + roff;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2537 }
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2538 d.xcidx (j + coff + 1) = cidx (j+1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2539 }
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2540
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2541 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	2542 d.xcidx (i) = nz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2543 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2544 }
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2545 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2546 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2547 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	2548 octave_idx_type nz = nnz ();
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2549
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2550 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	2551
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2552 if (nnz () > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2553 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2554 octave_idx_type ii = 0;
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2555 octave_idx_type ir = ridx (0);
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2556
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2557 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	2558 d.xcidx (i) = 0;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2559
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2560 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	2561 {
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2562 if (ir == i)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2563 {
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2564 d.xdata (ii) = data (ii);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2565 d.xridx (ii++) = ir + roff;
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2566
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2567 if (ii != nz)
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2568 ir = ridx (ii);
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2569 }
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2570 d.xcidx (i + coff + 1) = ii;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2571 }
10367 173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2572
173e10268080 avoid indexing nonexistent elements in sparse diag John W. Eaton <jwe@octave.org> parents: 10352 diff changeset	2573 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	2574 d.xcidx (i) = nz;
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2575 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	2576 }
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2577 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2578
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2579 return d;
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2580 }
36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7573 diff changeset	2581
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2582 template <class T>
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2583 Sparse<T>
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2584 Sparse<T>::cat (int dim, octave_idx_type n, const Sparse<T> *sparse_list)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2585 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2586 // Default concatenation.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2587 bool (dim_vector::*concat_rule) (const dim_vector&, int) = &dim_vector::concat;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2588
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2589 if (dim == -1 \|\| dim == -2)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2590 {
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2591 concat_rule = &dim_vector::hvcat;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2592 dim = -dim - 1;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2593 }
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2594 else if (dim < 0)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2595 (*current_liboctave_error_handler)
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2596 ("cat: invalid dimension");
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2597
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2598 dim_vector dv;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2599 octave_idx_type total_nz = 0;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2600 if (dim == 0 \|\| dim == 1)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2601 {
10535 3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2602 if (n == 1)
3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2603 return sparse_list[0];
3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2604
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2605 for (octave_idx_type i = 0; i < n; i++)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2606 {
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2607 if (! (dv.*concat_rule) (sparse_list[i].dims (), dim))
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2608 (*current_liboctave_error_handler)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2609 ("cat: dimension mismatch");
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2610 total_nz += sparse_list[i].nnz ();
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2611 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2612 }
10535 3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2613 else
3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2614 (*current_liboctave_error_handler)
3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2615 ("cat: invalid dimension for sparse concatenation");
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2616
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2617 Sparse<T> retval (dv, total_nz);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11571 diff changeset	2618
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2619 if (retval.is_empty ())
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2620 return retval;
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2621
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2622 switch (dim)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2623 {
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2624 case 0:
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2625 {
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2626 // sparse vertcat. This is not efficiently handled by assignment,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2627 // so we'll do it directly.
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2628 octave_idx_type l = 0;
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2629 for (octave_idx_type j = 0; j < dv(1); j++)
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2630 {
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2631 octave_quit ();
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2632
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2633 octave_idx_type rcum = 0;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2634 for (octave_idx_type i = 0; i < n; i++)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2635 {
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2636 const Sparse<T>& spi = sparse_list[i];
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2637 // Skipping empty matrices. See the comment in Array.cc.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2638 if (spi.is_empty ())
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2639 continue;
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2640
18084 8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	2641 octave_idx_type kl = spi.cidx (j);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave. Rik <rik@octave.org> parents: 18083 diff changeset	2642 octave_idx_type ku = spi.cidx (j+1);
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2643 for (octave_idx_type k = kl; k < ku; k++, l++)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2644 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2645 retval.xridx (l) = spi.ridx (k) + rcum;
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2646 retval.xdata (l) = spi.data (k);
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2647 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2648
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2649 rcum += spi.rows ();
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2650 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2651
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2652 retval.xcidx (j+1) = l;
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2653 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2654
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2655 break;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2656 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2657 case 1:
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2658 {
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2659 octave_idx_type l = 0;
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2660 for (octave_idx_type i = 0; i < n; i++)
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2661 {
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2662 octave_quit ();
f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2663
10716 f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2664 // Skipping empty matrices. See the comment in Array.cc.
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2665 if (sparse_list[i].is_empty ())
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2666 continue;
f7f26094021b improve cat code design in data.cc, make horzcat/vertcat more Matlab compatible Jaroslav Hajek <highegg@gmail.com> parents: 10703 diff changeset	2667
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2668 octave_idx_type u = l + sparse_list[i].columns ();
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2669 retval.assign (idx_vector::colon, idx_vector (l, u),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	2670 sparse_list[i]);
10533 f094ac9bc93e reuse Array<T>::cat and Sparse<T>::cat in cat/horzcat/vertcat Jaroslav Hajek <highegg@gmail.com> parents: 10531 diff changeset	2671 l = u;
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2672 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2673
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2674 break;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2675 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2676 default:
10535 3f973f6c841c improve sparse concatenation operator Jaroslav Hajek <highegg@gmail.com> parents: 10533 diff changeset	2677 assert (false);
10531 2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2678 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2679
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2680 return retval;
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2681 }
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2682
2dd8ea8bfd71 basic cat functionality in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 10527 diff changeset	2683 template <class T>
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2684 Array<T>
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2685 Sparse<T>::array_value () const
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2686 {
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14844 diff changeset	2687 NoAlias< Array<T> > retval (dims (), T ());
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2688 if (rows () == 1)
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2689 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2690 octave_idx_type i = 0;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2691 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	2692 {
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2693 if (cidx (j+1) > i)
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2694 retval(j) = data (i++);
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2695 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2696 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2697 else
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2698 {
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2699 for (octave_idx_type j = 0, nc = cols (); j < nc; j++)
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2700 for (octave_idx_type i = cidx (j), iu = cidx (j+1); i < iu; i++)
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2701 retval(ridx (i), j) = data (i);
10425 0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2702 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2703
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2704 return retval;
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2705 }
0677c5d80b77 rewrite 1D sparse indexing Jaroslav Hajek <highegg@gmail.com> parents: 10421 diff changeset	2706
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2707 /*
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2708 * Tests
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2709 *
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2710
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2711 %!function x = set_slice (x, dim, slice, arg)
16933 e39f00a32dc7 maint: Use parentheses around condition for switch(),while(),if() statements. Rik <rik@octave.org> parents: 16803 diff changeset	2712 %! switch (dim)
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2713 %! case 11
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2714 %! x(slice) = 2;
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2715 %! case 21
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2716 %! x(slice, :) = 2;
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2717 %! case 22
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2718 %! x(:, slice) = 2;
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2719 %! otherwise
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2720 %! error ("invalid dim, '%d'", dim);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2721 %! endswitch
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2722 %!endfunction
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2723
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2724 %!function x = set_slice2 (x, dim, slice)
16933 e39f00a32dc7 maint: Use parentheses around condition for switch(),while(),if() statements. Rik <rik@octave.org> parents: 16803 diff changeset	2725 %! switch (dim)
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2726 %! case 11
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2727 %! x(slice) = 2 * ones (size (slice));
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2728 %! case 21
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2729 %! x(slice, :) = 2 * ones (length (slice), columns (x));
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2730 %! case 22
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2731 %! x(:, slice) = 2 * ones (rows (x), length (slice));
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2732 %! otherwise
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2733 %! error ("invalid dim, '%d'", dim);
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2734 %! endswitch
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2735 %!endfunction
7546 4249c6fb6e09 Treat repeated indices in the sparse assignments David Bateman <dbateman@free.fr> parents: 7463 diff changeset	2736
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2737 %!function test_sparse_slice (size, dim, slice)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2738 %! x = ones (size);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2739 %! s = set_slice (sparse (x), dim, slice);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2740 %! f = set_slice (x, dim, slice);
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2741 %! assert (nnz (s), nnz (f));
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2742 %! assert (full (s), f);
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2743 %! s = set_slice2 (sparse (x), dim, slice);
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2744 %! f = set_slice2 (x, dim, slice);
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2745 %! assert (nnz (s), nnz (f));
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2746 %! assert (full (s), f);
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2747 %!endfunction
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2748
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2749 #### 1d indexing
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2750
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2751 ## size = [2 0]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2752 %!test test_sparse_slice ([2 0], 11, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2753 %!assert (set_slice (sparse (ones ([2 0])), 11, 1), sparse ([2 0]')) # sparse different from full
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2754 %!assert (set_slice (sparse (ones ([2 0])), 11, 2), sparse ([0 2]')) # sparse different from full
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2755 %!assert (set_slice (sparse (ones ([2 0])), 11, 3), sparse ([0 0; 2 0]')) # sparse different from full
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2756 %!assert (set_slice (sparse (ones ([2 0])), 11, 4), sparse ([0 0; 0 2]')) # sparse different from full
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2757
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2758 ## size = [0 2]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2759 %!test test_sparse_slice ([0 2], 11, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2760 %!assert (set_slice (sparse (ones ([0 2])), 11, 1), sparse ([2 0])) # sparse different from full
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2761 %!test test_sparse_slice ([0 2], 11, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2762 %!test test_sparse_slice ([0 2], 11, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2763 %!test test_sparse_slice ([0 2], 11, 4);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2764 %!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	2765
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2766 ## size = [2 1]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2767 %!test test_sparse_slice ([2 1], 11, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2768 %!test test_sparse_slice ([2 1], 11, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2769 %!test test_sparse_slice ([2 1], 11, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2770 %!test test_sparse_slice ([2 1], 11, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2771 %!test test_sparse_slice ([2 1], 11, 4);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2772 %!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	2773
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2774 ## size = [1 2]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2775 %!test test_sparse_slice ([1 2], 11, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2776 %!test test_sparse_slice ([1 2], 11, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2777 %!test test_sparse_slice ([1 2], 11, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2778 %!test test_sparse_slice ([1 2], 11, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2779 %!test test_sparse_slice ([1 2], 11, 4);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2780 %!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	2781
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2782 ## size = [2 2]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2783 %!test test_sparse_slice ([2 2], 11, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2784 %!test test_sparse_slice ([2 2], 11, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2785 %!test test_sparse_slice ([2 2], 11, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2786 %!test test_sparse_slice ([2 2], 11, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2787 %!test test_sparse_slice ([2 2], 11, 4);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2788 %!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	2789 # These 2 errors are the same as in the full case
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2790 %!error id=Octave:invalid-resize set_slice (sparse (ones ([2 2])), 11, 5)
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2791 %!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	2792
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2793
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2794 #### 2d indexing
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2795
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2796 ## size = [2 0]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2797 %!test test_sparse_slice ([2 0], 21, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2798 %!test test_sparse_slice ([2 0], 21, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2799 %!test test_sparse_slice ([2 0], 21, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2800 %!test test_sparse_slice ([2 0], 21, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2801 %!assert (set_slice (sparse (ones ([2 0])), 21, 3), sparse (3,0))
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2802 %!assert (set_slice (sparse (ones ([2 0])), 21, 4), sparse (4,0))
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2803 %!test test_sparse_slice ([2 0], 22, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2804 %!test test_sparse_slice ([2 0], 22, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2805 %!test test_sparse_slice ([2 0], 22, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2806 %!test test_sparse_slice ([2 0], 22, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2807 %!assert (set_slice (sparse (ones ([2 0])), 22, 3), sparse ([0 0 2;0 0 2])) # sparse different from full
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2808 %!assert (set_slice (sparse (ones ([2 0])), 22, 4), sparse ([0 0 0 2;0 0 0 2])) # sparse different from full
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2809
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2810 ## size = [0 2]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2811 %!test test_sparse_slice ([0 2], 21, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2812 %!test test_sparse_slice ([0 2], 21, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2813 %!test test_sparse_slice ([0 2], 21, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2814 %!test test_sparse_slice ([0 2], 21, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2815 %!assert (set_slice (sparse (ones ([0 2])), 21, 3), sparse ([0 0;0 0;2 2])) # sparse different from full
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2816 %!assert (set_slice (sparse (ones ([0 2])), 21, 4), sparse ([0 0;0 0;0 0;2 2])) # sparse different from full
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2817 %!test test_sparse_slice ([0 2], 22, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2818 %!test test_sparse_slice ([0 2], 22, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2819 %!test test_sparse_slice ([0 2], 22, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2820 %!test test_sparse_slice ([0 2], 22, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2821 %!assert (set_slice (sparse (ones ([0 2])), 22, 3), sparse (0,3))
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2822 %!assert (set_slice (sparse (ones ([0 2])), 22, 4), sparse (0,4))
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2823
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2824 ## size = [2 1]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2825 %!test test_sparse_slice ([2 1], 21, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2826 %!test test_sparse_slice ([2 1], 21, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2827 %!test test_sparse_slice ([2 1], 21, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2828 %!test test_sparse_slice ([2 1], 21, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2829 %!test test_sparse_slice ([2 1], 21, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2830 %!test test_sparse_slice ([2 1], 21, 4);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2831 %!test test_sparse_slice ([2 1], 22, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2832 %!test test_sparse_slice ([2 1], 22, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2833 %!test test_sparse_slice ([2 1], 22, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2834 %!test test_sparse_slice ([2 1], 22, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2835 %!test test_sparse_slice ([2 1], 22, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2836 %!test test_sparse_slice ([2 1], 22, 4);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2837
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2838 ## size = [1 2]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2839 %!test test_sparse_slice ([1 2], 21, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2840 %!test test_sparse_slice ([1 2], 21, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2841 %!test test_sparse_slice ([1 2], 21, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2842 %!test test_sparse_slice ([1 2], 21, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2843 %!test test_sparse_slice ([1 2], 21, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2844 %!test test_sparse_slice ([1 2], 21, 4);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2845 %!test test_sparse_slice ([1 2], 22, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2846 %!test test_sparse_slice ([1 2], 22, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2847 %!test test_sparse_slice ([1 2], 22, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2848 %!test test_sparse_slice ([1 2], 22, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2849 %!test test_sparse_slice ([1 2], 22, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2850 %!test test_sparse_slice ([1 2], 22, 4);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2851
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2852 ## size = [2 2]
14427 d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2853 %!test test_sparse_slice ([2 2], 21, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2854 %!test test_sparse_slice ([2 2], 21, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2855 %!test test_sparse_slice ([2 2], 21, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2856 %!test test_sparse_slice ([2 2], 21, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2857 %!test test_sparse_slice ([2 2], 21, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2858 %!test test_sparse_slice ([2 2], 21, 4);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2859 %!test test_sparse_slice ([2 2], 22, []);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2860 %!test test_sparse_slice ([2 2], 22, 1);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2861 %!test test_sparse_slice ([2 2], 22, 2);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2862 %!test test_sparse_slice ([2 2], 22, [2,2]);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2863 %!test test_sparse_slice ([2 2], 22, 3);
d07e989686b0 Use Octave coding conventions in liboctave %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	2864 %!test test_sparse_slice ([2 2], 22, 4);
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2865
14433 ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	2866 bug #35570:
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	2867
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	2868 %!assert (speye (3,1)(3:-1:1), sparse ([0; 0; 1]))
ec660526ae50 Fix sparse range indexing bug (bug #35570) Marco Caliari <marco.caliari@univr.it> parents: 14138 diff changeset	2869
14789 62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2870 ## Test removing columns (bug #36656)
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2871
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2872 %!test
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2873 %! s = sparse (magic (5));
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2874 %! s(:,2:4) = [];
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2875 %! assert (s, sparse (magic (5)(:, [1,5])));
62219ea36f05 Assign the sparse column index when deleting contiguous columns (bug #36656) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14433 diff changeset	2876
14790 b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14789 diff changeset	2877 %!test
15018 3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/. Rik <rik@octave.org> parents: 14846 diff changeset	2878 %! s = sparse ([], [], [], 1, 1);
14790 b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14789 diff changeset	2879 %! s(1,:) = [];
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14789 diff changeset	2880 %! assert (s, sparse ([], [], [], 0, 1));
b8041f48b0ff Return sparse column vectors when the indexing allows it (bug #36656) David Bateman <dbateman@free.fr> parents: 14789 diff changeset	2881
17278 79d4b6089968 Fix isequal for sparse matrix (bug #37321) Stefan Mahr <dac922@gmx.de> parents: 16933 diff changeset	2882 ## Test (bug #37321)
17285 f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2883 %!test a=sparse (0,0); assert (all (a) == sparse ([1]));
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2884 %!test a=sparse (0,1); assert (all (a) == sparse ([1]));
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2885 %!test a=sparse (1,0); assert (all (a) == sparse ([1]));
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2886 %!test a=sparse (1,0); assert (all (a,2) == sparse ([1]));
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2887 %!test a=sparse (1,0); assert (size (all (a,1)), [1 0]);
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2888 %!test a=sparse (1,1);
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2889 %! assert (all (a) == sparse ([0]));
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2890 %! assert (size (all (a)), [1 1]);
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2891 %!test a=sparse (2,1);
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2892 %! assert (all (a) == sparse ([0]));
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2893 %! assert (size (all (a)), [1 1]);
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2894 %!test a=sparse (1,2);
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2895 %! assert (all (a) == sparse ([0]));
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2896 %! assert (size (all (a)), [1 1]);
f519560bfcb4 maint: Use Octave spacing conventions in cset 79d4b6089968. Rik <rik@octave.org> parents: 17278 diff changeset	2897 %!test a=sparse (2,2); assert (isequal (all (a), sparse ([0 0])));
17278 79d4b6089968 Fix isequal for sparse matrix (bug #37321) Stefan Mahr <dac922@gmx.de> parents: 16933 diff changeset	2898
7356 164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2899 */
164e98cdee8b [project @ 2008-01-10 09:23:45 by jwe] jwe parents: 7326 diff changeset	2900
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2901 template <class T>
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2902 void
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2903 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	2904 {
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2905 os << prefix << "rep address: " << rep << "\n"
5604 2857357f9d3c [project @ 2006-01-31 18:22:59 by jwe] jwe parents: 5603 diff changeset	2906 << prefix << "rep->nzmx: " << rep->nzmx << "\n"
5164 57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2907 << prefix << "rep->nrows: " << rep->nrows << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2908 << prefix << "rep->ncols: " << rep->ncols << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2909 << prefix << "rep->data: " << static_cast<void *> (rep->d) << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2910 << prefix << "rep->ridx: " << static_cast<void *> (rep->r) << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2911 << prefix << "rep->cidx: " << static_cast<void *> (rep->c) << "\n"
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2912 << prefix << "rep->count: " << rep->count << "\n";
57077d0ddc8e [project @ 2005-02-25 19:55:24 by jwe] jwe parents: diff changeset	2913 }
10512 aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2914
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2915 #define INSTANTIATE_SPARSE(T, API) \
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2916 template class API Sparse<T>;
aac9f4265048 rewrite sparse indexed assignment Jaroslav Hajek <highegg@gmail.com> parents: 10509 diff changeset	2917

Mercurial > octave-dspies

annotate liboctave/array/Sparse.cc @ 18678:6113e0c6920b