octave: src/DLD-FUNCTIONS/filter.cc annotate

annotate src/DLD-FUNCTIONS/filter.cc @ 14501:60e5cf354d80

Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. * __contourc__.cc, __delaunayn__.cc, __dispatch__.cc, __dsearchn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, __voronoi__.cc, besselj.cc, betainc.cc, bsxfun.cc, cellfun.cc, chol.cc, conv2.cc, convhulln.cc, dassl.cc, det.cc, dlmread.cc, dmperm.cc, dot.cc, eig.cc, eigs.cc, fft.cc, fft2.cc, filter.cc, find.cc, gammainc.cc, gcd.cc, givens.cc, hess.cc, hex2num.cc, inv.cc, kron.cc, lookup.cc, lsode.cc, lu.cc, luinc.cc, matrix_type.cc, max.cc, mgorth.cc, nproc.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, sub2ind.cc, svd.cc, syl.cc, time.cc, tril.cc, tsearch.cc: Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions.

author	Rik <octave@nomad.inbox5.com>
date	Tue, 27 Mar 2012 22:46:45 -0700
parents	97883071e8e4
children	aa4c25ca498e

rev	line source
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	1 /*
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	2
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 13141 diff changeset	3 Copyright (C) 1996-2012 John W. Eaton
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	4
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	6
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	8 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: 6476 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6476 diff changeset	10 option) any later version.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	11
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	15 for more details.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	16
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	17 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: 6476 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6476 diff changeset	19 <http://www.gnu.org/licenses/>.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	20
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	21 */
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	22
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	23 // Based on Tony Richardson's filter.m.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	24 //
5428 2a16423e4aa0 [project @ 2005-08-23 18:38:27 by jwe] jwe parents: 5307 diff changeset	25 // Originally translated to C++ by KH (Kurt.Hornik@wu-wien.ac.at)
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	26 // with help from Fritz Leisch and Andreas Weingessel on Oct 20, 1994.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	27 //
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28 // Rewritten to use templates to handle both real and complex cases by
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	29 // jwe, Wed Nov 1 19:15:29 1995.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	30
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	31 #ifdef HAVE_CONFIG_H
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	32 #include <config.h>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	33 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	34
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 3419 diff changeset	35 #include "quit.h"
6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 3419 diff changeset	36
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	37 #include "defun-dld.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	38 #include "error.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	39 #include "oct-obj.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	40
3109 fcb2f5063e7f [project @ 1997-11-20 08:52:42 by jwe] jwe parents: 3107 diff changeset	41 #if !defined (CXX_NEW_FRIEND_TEMPLATE_DECL)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	42 extern MArray<double>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	43 filter (MArray<double>&, MArray<double>&, MArray<double>&, int dim);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	44
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	45 extern MArray<Complex>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	46 filter (MArray<Complex>&, MArray<Complex>&, MArray<Complex>&, int dim);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	47
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	48 extern MArray<float>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	49 filter (MArray<float>&, MArray<float>&, MArray<float>&, int dim);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	50
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	51 extern MArray<FloatComplex>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	52 filter (MArray<FloatComplex>&, MArray<FloatComplex>&, MArray<FloatComplex>&, int dim);
3107 a8dcfbf87ea3 [project @ 1997-11-19 22:34:59 by jwe] jwe parents: 3097 diff changeset	53 #endif
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	54
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	55 template <class T>
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	56 MArray<T>
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11574 diff changeset	57 filter (MArray<T>& b, MArray<T>& a, MArray<T>& x, MArray<T>& si,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	58 int dim = 0)
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	59 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	60 MArray<T> y;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	61
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	62 octave_idx_type a_len = a.length ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	63 octave_idx_type b_len = b.length ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	64
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	65 octave_idx_type ab_len = a_len > b_len ? a_len : b_len;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	66
12637 d02798e9eeae filter.cc: Stop test errors in residue.m (bug #33164) Rik <octave@nomad.inbox5.com> parents: 12566 diff changeset	67 // FIXME: The two lines below should be unecessary because
d02798e9eeae filter.cc: Stop test errors in residue.m (bug #33164) Rik <octave@nomad.inbox5.com> parents: 12566 diff changeset	68 // this template is called with a and b as column vectors
d02798e9eeae filter.cc: Stop test errors in residue.m (bug #33164) Rik <octave@nomad.inbox5.com> parents: 12566 diff changeset	69 // already. However the a.resize line is currently (2011/04/26)
d02798e9eeae filter.cc: Stop test errors in residue.m (bug #33164) Rik <octave@nomad.inbox5.com> parents: 12566 diff changeset	70 // necessary to stop bug #33164.
d02798e9eeae filter.cc: Stop test errors in residue.m (bug #33164) Rik <octave@nomad.inbox5.com> parents: 12566 diff changeset	71 b.resize (dim_vector (ab_len, 1), 0.0);
d02798e9eeae filter.cc: Stop test errors in residue.m (bug #33164) Rik <octave@nomad.inbox5.com> parents: 12566 diff changeset	72 if (a_len > 1)
d02798e9eeae filter.cc: Stop test errors in residue.m (bug #33164) Rik <octave@nomad.inbox5.com> parents: 12566 diff changeset	73 a.resize (dim_vector (ab_len, 1), 0.0);
d02798e9eeae filter.cc: Stop test errors in residue.m (bug #33164) Rik <octave@nomad.inbox5.com> parents: 12566 diff changeset	74
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	75 T norm = a (0);
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	76
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	77 if (norm == static_cast<T>(0.0))
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	78 {
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	79 error ("filter: the first element of A must be non-zero");
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	80 return y;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	81 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	82
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	83 dim_vector x_dims = x.dims ();
5056 9379d8716407 [project @ 2004-10-22 14:58:05 by jwe] jwe parents: 5055 diff changeset	84 if (dim < 0 \|\| dim > x_dims.length ())
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	85 {
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	86 error ("filter: DIM must be a valid dimension");
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	87 return y;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	88 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	89
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	90 octave_idx_type x_len = x_dims(dim);
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	91
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	92 dim_vector si_dims = si.dims ();
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	93 octave_idx_type si_len = si_dims(0);
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	94
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	95 if (si_len != ab_len - 1)
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	96 {
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	97 error ("filter: first dimension of SI must be of length max (length (a), length (b)) - 1");
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	98 return y;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	99 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	100
5059 38dd53c8935e [project @ 2004-11-02 02:42:25 by jwe] jwe parents: 5056 diff changeset	101 if (si_dims.length () != x_dims.length ())
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	102 {
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	103 error ("filter: dimensionality of SI and X must agree");
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	104 return y;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	105 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	106
12774 ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	107 for (octave_idx_type i = 1; i < dim; i++)
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	108 {
12774 ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	109 if (si_dims(i) != x_dims(i-1))
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	110 {
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	111 error ("filter: dimensionality of SI and X must agree");
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	112 return y;
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	113 }
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	114 }
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	115 for (octave_idx_type i = dim+1; i < x_dims.length (); i++)
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	116 {
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	117 if (si_dims(i) != x_dims(i))
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	118 {
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	119 error ("filter: dimensionality of SI and X must agree");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	120 return y;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	121 }
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	122 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	123
10241 a277ba5da4dc filter.cc: return early if X is empty John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	124 if (x_len == 0)
a277ba5da4dc filter.cc: return early if X is empty John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	125 return x;
a277ba5da4dc filter.cc: return early if X is empty John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	126
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	127 if (norm != static_cast<T>(1.0))
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	128 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	129 a = a / norm;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	130 b = b / norm;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	131 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	132
5056 9379d8716407 [project @ 2004-10-22 14:58:05 by jwe] jwe parents: 5055 diff changeset	133 if (a_len <= 1 && si_len <= 0)
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	134 return b(0) * x;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	135
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	136 y.resize (x_dims, 0.0);
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	137
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	138 int x_stride = 1;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	139 for (int i = 0; i < dim; i++)
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	140 x_stride *= x_dims(i);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	141
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	142 octave_idx_type x_num = x_dims.numel () / x_len;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	143 for (octave_idx_type num = 0; num < x_num; num++)
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	144 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	145 octave_idx_type x_offset;
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	146 if (x_stride == 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	147 x_offset = num * x_len;
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	148 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	149 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	150 octave_idx_type x_offset2 = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	151 x_offset = num;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	152 while (x_offset >= x_stride)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	153 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	154 x_offset -= x_stride;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	155 x_offset2++;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	156 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	157 x_offset += x_offset2 * x_stride * x_len;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	158 }
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	159 octave_idx_type si_offset = num * si_len;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	160
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	161 if (a_len > 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	162 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	163 T *py = y.fortran_vec ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	164 T *psi = si.fortran_vec ();
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	165
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	166 const T *pa = a.data ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	167 const T *pb = b.data ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	168 const T *px = x.data ();
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	169
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	170 psi += si_offset;
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	171
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	172 for (octave_idx_type i = 0, idx = x_offset; i < x_len; i++, idx += x_stride)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	173 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	174 py[idx] = psi[0] + pb[0] * px[idx];
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	175
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	176 if (si_len > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	177 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	178 for (octave_idx_type j = 0; j < si_len - 1; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	179 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	180 OCTAVE_QUIT;
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	181
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	182 psi[j] = psi[j+1] - pa[j+1] * py[idx] + pb[j+1] * px[idx];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	183 }
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	184
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	185 psi[si_len-1] = pb[si_len] * px[idx] - pa[si_len] * py[idx];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	186 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	187 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	188 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	189 OCTAVE_QUIT;
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	190
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	191 psi[0] = pb[si_len] * px[idx] - pa[si_len] * py[idx];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	192 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	193 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	194 }
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	195 else if (si_len > 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	196 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	197 T *py = y.fortran_vec ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	198 T *psi = si.fortran_vec ();
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	199
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	200 const T *pb = b.data ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	201 const T *px = x.data ();
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	202
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	203 psi += si_offset;
5114 cda8c0a823c5 [project @ 2005-01-21 17:02:21 by jwe] jwe parents: 5059 diff changeset	204
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	205 for (octave_idx_type i = 0, idx = x_offset; i < x_len; i++, idx += x_stride)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	206 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	207 py[idx] = psi[0] + pb[0] * px[idx];
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	208
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	209 if (si_len > 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	210 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	211 for (octave_idx_type j = 0; j < si_len - 1; j++)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	212 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	213 OCTAVE_QUIT;
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 3419 diff changeset	214
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	215 psi[j] = psi[j+1] + pb[j+1] * px[idx];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	216 }
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	217
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	218 psi[si_len-1] = pb[si_len] * px[idx];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	219 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	220 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	221 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	222 OCTAVE_QUIT;
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	223
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	224 psi[0] = pb[1] * px[idx];
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	225 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	226 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	227 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	228 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11574 diff changeset	229
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	230 return y;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	231 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	232
3109 fcb2f5063e7f [project @ 1997-11-20 08:52:42 by jwe] jwe parents: 3107 diff changeset	233 #if !defined (CXX_NEW_FRIEND_TEMPLATE_DECL)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	234 extern MArray<double>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	235 filter (MArray<double>&, MArray<double>&, MArray<double>&,
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	236 MArray<double>&, int dim);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	237
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	238 extern MArray<Complex>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	239 filter (MArray<Complex>&, MArray<Complex>&, MArray<Complex>&,
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	240 MArray<Complex>&, int dim);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	241
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	242 extern MArray<float>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	243 filter (MArray<float>&, MArray<float>&, MArray<float>&,
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	244 MArray<float>&, int dim);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	245
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	246 extern MArray<FloatComplex>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	247 filter (MArray<FloatComplex>&, MArray<FloatComplex>&, MArray<FloatComplex>&,
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	248 MArray<FloatComplex>&, int dim);
3107 a8dcfbf87ea3 [project @ 1997-11-19 22:34:59 by jwe] jwe parents: 3097 diff changeset	249 #endif
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	250
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	251 template <class T>
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	252 MArray<T>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	253 filter (MArray<T>& b, MArray<T>& a, MArray<T>& x, int dim = -1)
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	254 {
5059 38dd53c8935e [project @ 2004-11-02 02:42:25 by jwe] jwe parents: 5056 diff changeset	255 dim_vector x_dims = x.dims();
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	256
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	257 if (dim < 0)
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	258 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	259 // Find first non-singleton dimension
5059 38dd53c8935e [project @ 2004-11-02 02:42:25 by jwe] jwe parents: 5056 diff changeset	260 while (dim < x_dims.length () && x_dims(dim) <= 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	261 dim++;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11574 diff changeset	262
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	263 // All dimensions singleton, pick first dimension
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	264 if (dim == x_dims.length ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	265 dim = 0;
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	266 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	267 else
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	268 if (dim < 0 \|\| dim > x_dims.length ())
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	269 {
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	270 error ("filter: DIM must be a valid dimension");
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	271 return MArray<T> ();
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	272 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	273
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	274 octave_idx_type a_len = a.length ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	275 octave_idx_type b_len = b.length ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	276
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5114 diff changeset	277 octave_idx_type si_len = (a_len > b_len ? a_len : b_len) - 1;
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	278 dim_vector si_dims = x.dims ();
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	279 for (int i = dim; i > 0; i--)
5059 38dd53c8935e [project @ 2004-11-02 02:42:25 by jwe] jwe parents: 5056 diff changeset	280 si_dims(i) = si_dims(i-1);
38dd53c8935e [project @ 2004-11-02 02:42:25 by jwe] jwe parents: 5056 diff changeset	281 si_dims(0) = si_len;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11574 diff changeset	282
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	283 MArray<T> si (si_dims, T (0.0));
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	284
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	285 return filter (b, a, x, si, dim);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	286 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	287
3097 d12c312d1cfb [project @ 1997-11-14 08:03:47 by jwe] jwe parents: 3088 diff changeset	288 DEFUN_DLD (filter, args, nargout,
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	289 "-- texinfo --\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10350 diff changeset	290 @deftypefn {Loadable Function} {y =} filter (@var{b}, @var{a}, @var{x})\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	291 @deftypefnx {Loadable Function} {[@var{y}, @var{sf}] =} filter (@var{b}, @var{a}, @var{x}, @var{si})\n\
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	292 @deftypefnx {Loadable Function} {[@var{y}, @var{sf}] =} filter (@var{b}, @var{a}, @var{x}, [], @var{dim})\n\
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	293 @deftypefnx {Loadable Function} {[@var{y}, @var{sf}] =} filter (@var{b}, @var{a}, @var{x}, @var{si}, @var{dim})\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	294 Return the solution to the following linear, time-invariant difference\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	295 equation:\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	296 @tex\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	297 $$\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	298 \\sum_{k=0}^N a_{k+1} y_{n-k} = \\sum_{k=0}^M b_{k+1} x_{n-k}, \\qquad\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	299 1 \\le n \\le P\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	300 $$\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	301 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	302 @ifnottex\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	303 @c Set example in small font to prevent overfull line\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	304 \n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	305 @smallexample\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10350 diff changeset	306 @group\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	307 N M\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	308 SUM a(k+1) y(n-k) = SUM b(k+1) x(n-k) for 1<=n<=length(x)\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	309 k=0 k=0\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10350 diff changeset	310 @end group\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	311 @end smallexample\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10350 diff changeset	312 \n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	313 @end ifnottex\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	314 \n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	315 @noindent\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	316 where\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	317 @ifnottex\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	318 N=length(a)-1 and M=length(b)-1.\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	319 @end ifnottex\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	320 @tex\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	321 $a \\in \\Re^{N-1}$, $b \\in \\Re^{M-1}$, and $x \\in \\Re^P$.\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	322 @end tex\n\
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	323 over the first non-singleton dimension of @var{x} or over @var{dim} if\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	324 supplied. An equivalent form of this equation is:\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	325 @tex\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	326 $$\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	327 y_n = -\\sum_{k=1}^N c_{k+1} y_{n-k} + \\sum_{k=0}^M d_{k+1} x_{n-k}, \\qquad\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	328 1 \\le n \\le P\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	329 $$\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	330 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	331 @ifnottex\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	332 @c Set example in small font to prevent overfull line\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	333 \n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	334 @smallexample\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10350 diff changeset	335 @group\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	336 N M\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	337 y(n) = - SUM c(k+1) y(n-k) + SUM d(k+1) x(n-k) for 1<=n<=length(x)\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	338 k=1 k=0\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10350 diff changeset	339 @end group\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	340 @end smallexample\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10350 diff changeset	341 \n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	342 @end ifnottex\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	343 \n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	344 @noindent\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	345 where\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	346 @ifnottex\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	347 c = a/a(1) and d = b/a(1).\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	348 @end ifnottex\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	349 @tex\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	350 $c = a/a_1$ and $d = b/a_1$.\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	351 @end tex\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	352 \n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	353 If the fourth argument @var{si} is provided, it is taken as the\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	354 initial state of the system and the final state is returned as\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	355 @var{sf}. The state vector is a column vector whose length is\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	356 equal to the length of the longest coefficient vector minus one.\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	357 If @var{si} is not supplied, the initial state vector is set to all\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	358 zeros.\n\
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	359 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	360 In terms of the Z Transform, y is the result of passing the discrete-\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	361 time signal x through a system characterized by the following rational\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	362 system function:\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	363 @tex\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	364 $$\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	365 H(z) = {\\displaystyle\\sum_{k=0}^M d_{k+1} z^{-k}\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	366 \\over 1 + \\displaystyle\\sum_{k+1}^N c_{k+1} z^{-k}}\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	367 $$\n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	368 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	369 @ifnottex\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	370 \n\
0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	371 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	372 @group\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	373 M\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	374 SUM d(k+1) z^(-k)\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	375 k=0\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	376 H(z) = ---------------------\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	377 N\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	378 1 + SUM c(k+1) z^(-k)\n\
97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	379 k=1\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	380 @end group\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	381 @end example\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10350 diff changeset	382 \n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7789 diff changeset	383 @end ifnottex\n\
11572 7d6d8c1e471f Grammarcheck Texinfo for files in src directory. Rik <octave@nomad.inbox5.com> parents: 11553 diff changeset	384 @seealso{filter2, fftfilt, freqz}\n\
3367 0748b03c3510 [project @ 1999-11-20 14:52:38 by jwe] jwe parents: 3109 diff changeset	385 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	386 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	387 octave_value_list retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	388
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	389 int nargin = args.length ();
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	390
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	391 if (nargin < 3 \|\| nargin > 5)
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	392 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5428 diff changeset	393 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	394 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	395 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	396
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	397 const char *errmsg = "filter: arguments a and b must be vectors";
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	398
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	399 int dim;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	400 dim_vector x_dims = args(2).dims ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	401
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	402 if (nargin == 5)
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	403 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	404 dim = args(4).nint_value() - 1;
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	405 if (dim < 0 \|\| dim >= x_dims.length ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	406 {
12483 7a5aacf65f81 Rewrite error strings in src/ to use variables named in documentation. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	407 error ("filter: DIM must be a valid dimension");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	408 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	409 }
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	410 }
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	411 else
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	412 {
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	413 // Find first non-singleton dimension
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	414 dim = 0;
5059 38dd53c8935e [project @ 2004-11-02 02:42:25 by jwe] jwe parents: 5056 diff changeset	415 while (dim < x_dims.length () && x_dims(dim) <= 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	416 dim++;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11574 diff changeset	417
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	418 // All dimensions singleton, pick first dimension
9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	419 if (dim == x_dims.length ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	420 dim = 0;
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	421 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	422
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	423 bool isfloat = (args(0).is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	424 \|\| args(1).is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	425 \|\| args(2).is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	426 \|\| (nargin >= 4 && args(3).is_single_type ()));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11574 diff changeset	427
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	428 if (args(0).is_complex_type ()
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	429 \|\| args(1).is_complex_type ()
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	430 \|\| args(2).is_complex_type ()
4844 9f7ef92b50b0 [project @ 2004-04-02 17:26:53 by jwe] jwe parents: 4153 diff changeset	431 \|\| (nargin >= 4 && args(3).is_complex_type ()))
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	432 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	433 if (isfloat)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	434 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	435 FloatComplexColumnVector b (args(0).float_complex_vector_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	436 FloatComplexColumnVector a (args(1).float_complex_vector_value ());
3088 f33738510eb2 [project @ 1997-10-02 06:38:36 by jwe] jwe parents: 3014 diff changeset	437
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	438 FloatComplexNDArray x (args(2).float_complex_array_value ());
3088 f33738510eb2 [project @ 1997-10-02 06:38:36 by jwe] jwe parents: 3014 diff changeset	439
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	440 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	441 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	442 FloatComplexNDArray si;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	443
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	444 if (nargin == 3 \|\| args(3).is_empty ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	445 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	446 octave_idx_type a_len = a.length ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	447 octave_idx_type b_len = b.length ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	448
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	449 octave_idx_type si_len = (a_len > b_len ? a_len : b_len) - 1;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	450
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	451 dim_vector si_dims = x.dims ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	452 for (int i = dim; i > 0; i--)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	453 si_dims(i) = si_dims(i-1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	454 si_dims(0) = si_len;
3088 f33738510eb2 [project @ 1997-10-02 06:38:36 by jwe] jwe parents: 3014 diff changeset	455
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	456 si.resize (si_dims, 0.0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	457 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	458 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	459 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	460 si = args(3).float_complex_array_value ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	461
12707 a5f4dad4ec27 Merge with stable; recover on default backed-out 9843b3b055e0 from stable Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12706 diff changeset	462 if (si.is_vector () && x.is_vector ())
a5f4dad4ec27 Merge with stable; recover on default backed-out 9843b3b055e0 from stable Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12706 diff changeset	463 si = si.reshape (dim_vector (si.numel (), 1));
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	464 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	465
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	466 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	467 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	468 FloatComplexNDArray y (filter (b, a, x, si, dim));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	469
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	470 if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	471 retval(1) = si;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	472
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	473 retval(0) = y;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	474 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	475 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	476 error (errmsg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	477 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	478 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	479 error (errmsg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	480 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	481 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	482 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	483 ComplexColumnVector b (args(0).complex_vector_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	484 ComplexColumnVector a (args(1).complex_vector_value ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	485
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	486 ComplexNDArray x (args(2).complex_array_value ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	487
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	488 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	489 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	490 ComplexNDArray si;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	491
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	492 if (nargin == 3 \|\| args(3).is_empty ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	493 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	494 octave_idx_type a_len = a.length ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	495 octave_idx_type b_len = b.length ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	496
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	497 octave_idx_type si_len = (a_len > b_len ? a_len : b_len) - 1;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	498
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	499 dim_vector si_dims = x.dims ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	500 for (int i = dim; i > 0; i--)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	501 si_dims(i) = si_dims(i-1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	502 si_dims(0) = si_len;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	503
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	504 si.resize (si_dims, 0.0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	505 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	506 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	507 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	508 si = args(3).complex_array_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	509
12707 a5f4dad4ec27 Merge with stable; recover on default backed-out 9843b3b055e0 from stable Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12706 diff changeset	510 if (si.is_vector () && x.is_vector ())
a5f4dad4ec27 Merge with stable; recover on default backed-out 9843b3b055e0 from stable Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12706 diff changeset	511 si = si.reshape (dim_vector (si.numel (), 1));
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	512 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	513
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	514 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	515 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	516 ComplexNDArray y (filter (b, a, x, si, dim));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	517
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	518 if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	519 retval(1) = si;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	520
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	521 retval(0) = y;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	522 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	523 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	524 error (errmsg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	525 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	526 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	527 error (errmsg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	528 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	529 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	530 else
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	531 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	532 if (isfloat)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	533 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	534 FloatColumnVector b (args(0).float_vector_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	535 FloatColumnVector a (args(1).float_vector_value ());
3088 f33738510eb2 [project @ 1997-10-02 06:38:36 by jwe] jwe parents: 3014 diff changeset	536
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	537 FloatNDArray x (args(2).float_array_value ());
3088 f33738510eb2 [project @ 1997-10-02 06:38:36 by jwe] jwe parents: 3014 diff changeset	538
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	539 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	540 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	541 FloatNDArray si;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	542
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	543 if (nargin == 3 \|\| args(3).is_empty ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	544 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	545 octave_idx_type a_len = a.length ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	546 octave_idx_type b_len = b.length ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	547
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	548 octave_idx_type si_len = (a_len > b_len ? a_len : b_len) - 1;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	549
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	550 dim_vector si_dims = x.dims ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	551 for (int i = dim; i > 0; i--)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	552 si_dims(i) = si_dims(i-1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	553 si_dims(0) = si_len;
3088 f33738510eb2 [project @ 1997-10-02 06:38:36 by jwe] jwe parents: 3014 diff changeset	554
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	555 si.resize (si_dims, 0.0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	556 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	557 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	558 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	559 si = args(3).float_array_value ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	560
12707 a5f4dad4ec27 Merge with stable; recover on default backed-out 9843b3b055e0 from stable Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12706 diff changeset	561 if (si.is_vector () && x.is_vector ())
a5f4dad4ec27 Merge with stable; recover on default backed-out 9843b3b055e0 from stable Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12706 diff changeset	562 si = si.reshape (dim_vector (si.numel (), 1));
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	563 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	564
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	565 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	566 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	567 FloatNDArray y (filter (b, a, x, si, dim));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	568
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	569 if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	570 retval(1) = si;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	571
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	572 retval(0) = y;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	573 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	574 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	575 error (errmsg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	576 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	577 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	578 error (errmsg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	579 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	580 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	581 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	582 ColumnVector b (args(0).vector_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	583 ColumnVector a (args(1).vector_value ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	584
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	585 NDArray x (args(2).array_value ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	586
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	587 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	588 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	589 NDArray si;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	590
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	591 if (nargin == 3 \|\| args(3).is_empty ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	592 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	593 octave_idx_type a_len = a.length ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	594 octave_idx_type b_len = b.length ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	595
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	596 octave_idx_type si_len = (a_len > b_len ? a_len : b_len) - 1;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	597
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	598 dim_vector si_dims = x.dims ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	599 for (int i = dim; i > 0; i--)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	600 si_dims(i) = si_dims(i-1);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	601 si_dims(0) = si_len;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	602
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	603 si.resize (si_dims, 0.0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	604 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	605 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	606 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	607 si = args(3).array_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	608
12707 a5f4dad4ec27 Merge with stable; recover on default backed-out 9843b3b055e0 from stable Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12706 diff changeset	609 if (si.is_vector () && x.is_vector ())
a5f4dad4ec27 Merge with stable; recover on default backed-out 9843b3b055e0 from stable Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12706 diff changeset	610 si = si.reshape (dim_vector (si.numel (), 1));
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	611 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	612
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	613 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	614 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	615 NDArray y (filter (b, a, x, si, dim));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	616
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	617 if (nargout == 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	618 retval(1) = si;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	619
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	620 retval(0) = y;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	621 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	622 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	623 error (errmsg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	624 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	625 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	626 error (errmsg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	627 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	628 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	629
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	630 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	631 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	632
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	633 template MArray<double>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	634 filter (MArray<double>&, MArray<double>&, MArray<double>&,
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	635 MArray<double>&, int dim);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	636
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	637 template MArray<double>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	638 filter (MArray<double>&, MArray<double>&, MArray<double>&, int dim);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	639
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	640 template MArray<Complex>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	641 filter (MArray<Complex>&, MArray<Complex>&, MArray<Complex>&,
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	642 MArray<Complex>&, int dim);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	643
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	644 template MArray<Complex>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	645 filter (MArray<Complex>&, MArray<Complex>&, MArray<Complex>&, int dim);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	646
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	647 template MArray<float>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	648 filter (MArray<float>&, MArray<float>&, MArray<float>&,
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	649 MArray<float>&, int dim);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	650
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	651 template MArray<float>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	652 filter (MArray<float>&, MArray<float>&, MArray<float>&, int dim);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	653
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	654 template MArray<FloatComplex>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	655 filter (MArray<FloatComplex>&, MArray<FloatComplex>&, MArray<FloatComplex>&,
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	656 MArray<FloatComplex>&, int dim);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	657
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	658 template MArray<FloatComplex>
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10247 diff changeset	659 filter (MArray<FloatComplex>&, MArray<FloatComplex>&, MArray<FloatComplex>&, int dim);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	660
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	661 /*
9432 8cc2d087f3c1 src/DLD-FUNCTIONS/filter.cc: new tests Robert T. Short <octave@phaselockedsystems.com> parents: 9153 diff changeset	662 %!shared a, b, x, r
8cc2d087f3c1 src/DLD-FUNCTIONS/filter.cc: new tests Robert T. Short <octave@phaselockedsystems.com> parents: 9153 diff changeset	663 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	664 %! a = [1 1];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	665 %! b = [1 1];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	666 %! x = zeros (1,10); x(1) = 1;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	667 %! assert (filter (b, [1], x ), [1 1 0 0 0 0 0 0 0 0]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	668 %! assert (filter (b, [1], x.'), [1 1 0 0 0 0 0 0 0 0].');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	669 %! assert (filter (b.', [1], x ), [1 1 0 0 0 0 0 0 0 0] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	670 %! assert (filter (b.', [1], x.'), [1 1 0 0 0 0 0 0 0 0].');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	671 %! assert (filter ([1], a, x ), [+1 -1 +1 -1 +1 -1 +1 -1 +1 -1] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	672 %! assert (filter ([1], a, x.'), [+1 -1 +1 -1 +1 -1 +1 -1 +1 -1].');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	673 %! assert (filter ([1], a.', x ), [+1 -1 +1 -1 +1 -1 +1 -1 +1 -1] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	674 %! assert (filter ([1], a.', x.'), [+1 -1 +1 -1 +1 -1 +1 -1 +1 -1].');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	675 %! assert (filter (b, a, x ), [1 0 0 0 0 0 0 0 0 0] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	676 %! assert (filter (b.', a, x ), [1 0 0 0 0 0 0 0 0 0] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	677 %! assert (filter (b, a.', x ), [1 0 0 0 0 0 0 0 0 0] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	678 %! assert (filter (b.', a, x ), [1 0 0 0 0 0 0 0 0 0] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	679 %! assert (filter (b, a, x.'), [1 0 0 0 0 0 0 0 0 0].');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	680 %! assert (filter (b.', a, x.'), [1 0 0 0 0 0 0 0 0 0].');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	681 %! assert (filter (b, a.', x.'), [1 0 0 0 0 0 0 0 0 0].');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	682 %! assert (filter (b.', a, x.'), [1 0 0 0 0 0 0 0 0 0].');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	683
9432 8cc2d087f3c1 src/DLD-FUNCTIONS/filter.cc: new tests Robert T. Short <octave@phaselockedsystems.com> parents: 9153 diff changeset	684 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	685 %! r = sqrt (1/2) * (1+i);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	686 %! a = a*r;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	687 %! b = b*r;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	688 %! assert (filter (b, [1], x ), r*[1 1 0 0 0 0 0 0 0 0] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	689 %! assert (filter (b, [1], rx ), rr*[1 1 0 0 0 0 0 0 0 0] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	690 %! assert (filter (b, [1], x.' ), r*[1 1 0 0 0 0 0 0 0 0].' );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	691 %! assert (filter (b, a, x ), [1 0 0 0 0 0 0 0 0 0] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	692 %! assert (filter (b, a, rx ), r[1 0 0 0 0 0 0 0 0 0] );
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	693
9432 8cc2d087f3c1 src/DLD-FUNCTIONS/filter.cc: new tests Robert T. Short <octave@phaselockedsystems.com> parents: 9153 diff changeset	694 %!shared a, b, x, y, so
8cc2d087f3c1 src/DLD-FUNCTIONS/filter.cc: new tests Robert T. Short <octave@phaselockedsystems.com> parents: 9153 diff changeset	695 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	696 %! a = [1,1];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	697 %! b = [1,1];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	698 %! x = zeros (1,10); x(1) = 1;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	699 %! [y, so] = filter (b, [1], x, [-1]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	700 %! assert (y, [0 1 0 0 0 0 0 0 0 0]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	701 %! assert (so, 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	702
9432 8cc2d087f3c1 src/DLD-FUNCTIONS/filter.cc: new tests Robert T. Short <octave@phaselockedsystems.com> parents: 9153 diff changeset	703 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	704 %! x = zeros (10,3); x(1,1) = -1; x(1,2) = 1;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	705 %! y0 = zeros (10,3); y0(1:2,1) = -1; y0(1:2,2) = 1;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	706 %! y = filter (b, [1], x);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	707 %! assert (y, y0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	708
9432 8cc2d087f3c1 src/DLD-FUNCTIONS/filter.cc: new tests Robert T. Short <octave@phaselockedsystems.com> parents: 9153 diff changeset	709 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	710 %! a = [1,1];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	711 %! b=[1,1];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	712 %! x = zeros (4,4,2); x(1,1:4,1) = +1; x(1,1:4,2) = -1;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	713 %! y0 = zeros (4,4,2); y0(1:2,1:4,1) = +1; y0(1:2,1:4,2) = -1;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	714 %! y = filter (b, [1], x);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	715 %! assert (y, y0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	716
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	717 %!assert (filter (1, ones(10,1)/10, []), [])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	718 %!assert (filter (1, ones(10,1)/10, zeros(0,10)), zeros(0,10))
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	719 %!assert (filter (1, ones(10,1)/10, single (1:5)), repmat (single (10), 1, 5))
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	720
12707 a5f4dad4ec27 Merge with stable; recover on default backed-out 9843b3b055e0 from stable Jordi Gutiérrez Hermoso <jordigh@gmail.com> parents: 12706 diff changeset	721 %% Test using initial conditions
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	722 %!assert (filter ([1, 1, 1], [1, 1], [1 2], [1, 1]), [2 2])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	723 %!assert (filter ([1, 1, 1], [1, 1], [1 2], [1, 1]'), [2 2])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	724 %!assert (filter ([1, 3], [1], [1 2; 3 4; 5 6], [4, 5]), [5 7; 6 10; 14 18])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	725 %!error (filter ([1, 3], [1], [1 2; 3 4; 5 6], [4, 5]'))
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	726 %!assert (filter ([1, 3, 2], [1], [1 2; 3 4; 5 6], [1 0 0; 1 0 0], 2), [2 6; 3 13; 5 21])
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	727
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	728 ## Test of DIM parameter
12774 ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	729 %!test
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	730 %! x = ones (2, 1, 3, 4);
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	731 %! x(1,1,:,:) = [1 2 3 4; 5 6 7 8; 9 10 11 12];
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	732 %! y0 = [1 1 6 2 15 3 2 1 8 2 18 3 3 1 10 2 21 3 4 1 12 2 24 3];
ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	733 %! y0 = reshape (y0, size (x));
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	734 %! y = filter ([1 1 1], 1, x, [], 3);
12774 ec6c52496485 Fix input validation of SI vector for filter() when DIM used (Bug #33625) Rik <octave@nomad.inbox5.com> parents: 12707 diff changeset	735 %! assert (y, y0);
10155 d0ce5e973937 DLD-FUNCTIONS/.cc: delete Emacs local-variables settings John W. Eaton <jwe@octave.org>* parents: 10154 diff changeset	736 */

Mercurial > octave

annotate src/DLD-FUNCTIONS/filter.cc @ 14501:60e5cf354d80