octave: libinterp/corefcn/dassl.cc annotate

annotate libinterp/corefcn/dassl.cc @ 20725:7164a69472dd

eliminate more uses of error state * daspk.cc, dasrt.cc, dassl.cc, lsode.cc, quad.cc: Eliminate uses of error_state. Handle user-supplied functions consistently.

author	John W. Eaton <jwe@octave.org>
date	Thu, 19 Nov 2015 15:46:40 -0500
parents	7b608fadc663
children	200ae1d650b7

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
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 17787 diff changeset	3 Copyright (C) 1996-2015 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: 5823 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: 5823 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: 5823 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: 5823 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 #ifdef HAVE_CONFIG_H
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	24 #include <config.h>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	26
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	27 #include <string>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28
3567 dd8998699aa8 [project @ 2000-02-03 09:54:28 by jwe] jwe parents: 3544 diff changeset	29 #include <iomanip>
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3419 diff changeset	30 #include <iostream>
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	31
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	32 #include "DASSL.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	33
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	34 #include "defun.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	35 #include "error.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	36 #include "gripes.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	37 #include "oct-obj.h"
2968 e330cb788508 [project @ 1997-05-15 17:40:29 by jwe] jwe parents: 2928 diff changeset	38 #include "ov-fcn.h"
5729 e065f7c18bdc [project @ 2006-04-03 19:03:30 by jwe] jwe parents: 5694 diff changeset	39 #include "ov-cell.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	40 #include "pager.h"
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	41 #include "unwind-prot.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	42 #include "utils.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	43 #include "variables.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	44
3998 f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3997 diff changeset	45 #include "DASSL-opts.cc"
f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3997 diff changeset	46
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	47 // Global pointer for user defined function required by dassl.
2968 e330cb788508 [project @ 1997-05-15 17:40:29 by jwe] jwe parents: 2928 diff changeset	48 static octave_function *dassl_fcn;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	49
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	50 // Global pointer for optional user defined jacobian function.
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	51 static octave_function *dassl_jac;
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	52
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	53 // Have we warned about imaginary values returned from user function?
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	54 static bool warned_fcn_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	55 static bool warned_jac_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	56
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	57 // Is this a recursive call?
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	58 static int call_depth = 0;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	59
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	60 ColumnVector
3849 5266e351a19c [project @ 2001-11-02 04:50:09 by jwe] jwe parents: 3747 diff changeset	61 dassl_user_function (const ColumnVector& x, const ColumnVector& xdot,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	62 double t, octave_idx_type& ires)
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	63 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	64 ColumnVector retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	65
20229 5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax(). Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	66 assert (x.numel () == xdot.numel ());
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	67
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	68 octave_value_list args;
4628 c0121a3b9cbe [project @ 2003-11-17 20:19:07 by jwe] jwe parents: 4140 diff changeset	69
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	70 args(2) = t;
4628 c0121a3b9cbe [project @ 2003-11-17 20:19:07 by jwe] jwe parents: 4140 diff changeset	71 args(1) = xdot;
c0121a3b9cbe [project @ 2003-11-17 20:19:07 by jwe] jwe parents: 4140 diff changeset	72 args(0) = x;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	73
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	74 if (dassl_fcn)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	75 {
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	76 octave_value_list tmp;
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	77
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	78 try
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	79 {
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	80 tmp = dassl_fcn->do_multi_index_op (1, args);
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	81 }
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	82 catch (const octave_execution_exception&)
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	83 {
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	84 gripe_user_supplied_eval ("dassl");
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	85 throw;
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	86 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	87
3849 5266e351a19c [project @ 2001-11-02 04:50:09 by jwe] jwe parents: 3747 diff changeset	88 int tlen = tmp.length ();
5266e351a19c [project @ 2001-11-02 04:50:09 by jwe] jwe parents: 3747 diff changeset	89 if (tlen > 0 && tmp(0).is_defined ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	90 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	91 if (! warned_fcn_imaginary && tmp(0).is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	92 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	93 warning ("dassl: ignoring imaginary part returned from user-supplied function");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	94 warned_fcn_imaginary = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	95 }
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	96
20703 85e5efae848a eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20687 diff changeset	97 retval = tmp(0).vector_value ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	98
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	99 if (tlen > 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	100 ires = tmp(1).int_value ();
3849 5266e351a19c [project @ 2001-11-02 04:50:09 by jwe] jwe parents: 3747 diff changeset	101
20703 85e5efae848a eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20687 diff changeset	102 if (retval.numel () == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	103 gripe_user_supplied_eval ("dassl");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	104 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	105 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	106 gripe_user_supplied_eval ("dassl");
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	107 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	108
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	109 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	110 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	111
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	112 Matrix
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	113 dassl_user_jacobian (const ColumnVector& x, const ColumnVector& xdot,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	114 double t, double cj)
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	115 {
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	116 Matrix retval;
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	117
20229 5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax(). Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	118 assert (x.numel () == xdot.numel ());
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	119
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	120 octave_value_list args;
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	121
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	122 args(3) = cj;
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	123 args(2) = t;
4628 c0121a3b9cbe [project @ 2003-11-17 20:19:07 by jwe] jwe parents: 4140 diff changeset	124 args(1) = xdot;
c0121a3b9cbe [project @ 2003-11-17 20:19:07 by jwe] jwe parents: 4140 diff changeset	125 args(0) = x;
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	126
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	127 if (dassl_jac)
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	128 {
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	129 octave_value_list tmp;
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	130
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	131 try
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	132 {
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	133 tmp = dassl_jac->do_multi_index_op (1, args);
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	134 }
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	135 catch (const octave_execution_exception&)
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	136 {
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	137 gripe_user_supplied_eval ("dassl");
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	138 throw;
7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	139 }
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	140
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	141 int tlen = tmp.length ();
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	142 if (tlen > 0 && tmp(0).is_defined ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	143 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	144 if (! warned_jac_imaginary && tmp(0).is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	145 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	146 warning ("dassl: ignoring imaginary part returned from user-supplied jacobian function");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	147 warned_jac_imaginary = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	148 }
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	149
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	150 retval = tmp(0).matrix_value ();
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	151
20703 85e5efae848a eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20687 diff changeset	152 if (retval.numel () == 0)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	153 gripe_user_supplied_eval ("dassl");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	154 }
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	155 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	156 gripe_user_supplied_eval ("dassl");
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	157 }
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	158
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	159 return retval;
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	160 }
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	161
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	162 #define DASSL_ABORT() \
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	163 return retval
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	164
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	165 #define DASSL_ABORT1(msg) \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	166 do \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	167 { \
20428 7ac907da9fba Use error() rather than ::error() unless explicitly required. Rik <rik@octave.org> parents: 20232 diff changeset	168 error ("dassl: " msg); \
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	169 DASSL_ABORT (); \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	170 } \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	171 while (0)
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	172
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	173 #define DASSL_ABORT2(fmt, arg) \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	174 do \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	175 { \
20428 7ac907da9fba Use error() rather than ::error() unless explicitly required. Rik <rik@octave.org> parents: 20232 diff changeset	176 error ("dassl: " fmt, arg); \
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	177 DASSL_ABORT (); \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	178 } \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	179 while (0)
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	180
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	181 DEFUN (dassl, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	182 "-- texinfo --\n\
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	183 @deftypefn {Built-in Function} {[@var{x}, @var{xdot}, @var{istate}, @var{msg}] =} dassl (@var{fcn}, @var{x_0}, @var{xdot_0}, @var{t}, @var{t_crit})\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	184 Solve the set of differential-algebraic equations\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	185 @tex\n\
4852 404c7122853e [project @ 2004-04-06 17:23:37 by jwe] jwe parents: 4698 diff changeset	186 $$ 0 = f (x, \\dot{x}, t) $$\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	187 with\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	188 $$ x(t_0) = x_0, \\dot{x}(t_0) = \\dot{x}_0 $$\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	189 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7562 diff changeset	190 @ifnottex\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	191 \n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	192 @example\n\
4698 737fd5c0ae06 [project @ 2004-01-19 19:25:26 by jwe] jwe parents: 4628 diff changeset	193 0 = f (x, xdot, t)\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	194 @end example\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	195 \n\
4912 048db020498c [project @ 2004-07-22 20:45:59 by jwe] jwe parents: 4888 diff changeset	196 @noindent\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	197 with\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	198 \n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	199 @example\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	200 x(t_0) = x_0, xdot(t_0) = xdot_0\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	201 @end example\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	202 \n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7562 diff changeset	203 @end ifnottex\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	204 The solution is returned in the matrices @var{x} and @var{xdot},\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	205 with each row in the result matrices corresponding to one of the\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	206 elements in the vector @var{t}. The first element of @var{t}\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	207 should be @math{t_0} and correspond to the initial state of the\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	208 system @var{x_0} and its derivative @var{xdot_0}, so that the first\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	209 row of the output @var{x} is @var{x_0} and the first row\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	210 of the output @var{xdot} is @var{xdot_0}.\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	211 \n\
8787 5b23faa8113c Documentation fixes. Olaf Till <olaf.till@uni-jena.de> parents: 8517 diff changeset	212 The first argument, @var{fcn}, is a string, inline, or function handle\n\
5b23faa8113c Documentation fixes. Olaf Till <olaf.till@uni-jena.de> parents: 8517 diff changeset	213 that names the function @math{f} to call to compute the vector of\n\
5b23faa8113c Documentation fixes. Olaf Till <olaf.till@uni-jena.de> parents: 8517 diff changeset	214 residuals for the set of equations. It must have the form\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	215 \n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	216 @example\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	217 @var{res} = f (@var{x}, @var{xdot}, @var{t})\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	218 @end example\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	219 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	220 @noindent\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	221 in which @var{x}, @var{xdot}, and @var{res} are vectors, and @var{t} is a\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	222 scalar.\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	223 \n\
8787 5b23faa8113c Documentation fixes. Olaf Till <olaf.till@uni-jena.de> parents: 8517 diff changeset	224 If @var{fcn} is a two-element string array or a two-element cell array\n\
9067 8970b4b10e9f Cleanup documentation for quad.texi and diffeq.texi Rik <rdrider0-list@yahoo.com> parents: 9064 diff changeset	225 of strings, inline functions, or function handles, the first element names\n\
8787 5b23faa8113c Documentation fixes. Olaf Till <olaf.till@uni-jena.de> parents: 8517 diff changeset	226 the function @math{f} described above, and the second element names a\n\
5b23faa8113c Documentation fixes. Olaf Till <olaf.till@uni-jena.de> parents: 8517 diff changeset	227 function to compute the modified Jacobian\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	228 \n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	229 @tex\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	230 $$\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	231 J = {\\partial f \\over \\partial x}\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	232 + c {\\partial f \\over \\partial \\dot{x}}\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	233 $$\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	234 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7562 diff changeset	235 @ifnottex\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	236 \n\
4888 4a796c5fc7a3 [project @ 2004-04-30 18:27:07 by jwe] jwe parents: 4852 diff changeset	237 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	238 @group\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	239 df df\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	240 jac = -- + c ------\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	241 dx d xdot\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	242 @end group\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	243 @end example\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	244 \n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 7562 diff changeset	245 @end ifnottex\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	246 \n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	247 The modified Jacobian function must have the form\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	248 \n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	249 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	250 @group\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	251 \n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	252 @var{jac} = j (@var{x}, @var{xdot}, @var{t}, @var{c})\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	253 \n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	254 @end group\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	255 @end example\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	256 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	257 The second and third arguments to @code{dassl} specify the initial\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	258 condition of the states and their derivatives, and the fourth argument\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	259 specifies a vector of output times at which the solution is desired,\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	260 including the time corresponding to the initial condition.\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	261 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	262 The set of initial states and derivatives are not strictly required to\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	263 be consistent. In practice, however, @sc{dassl} is not very good at\n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	264 determining a consistent set for you, so it is best if you ensure that\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	265 the initial values result in the function evaluating to zero.\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	266 \n\
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	267 The fifth argument is optional, and may be used to specify a set of\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	268 times that the DAE solver should not integrate past. It is useful for\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	269 avoiding difficulties with singularities and points where there is a\n\
36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3325 diff changeset	270 discontinuity in the derivative.\n\
3964 3030cb6cb559 [project @ 2002-06-28 17:17:55 by jwe] jwe parents: 3849 diff changeset	271 \n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	272 After a successful computation, the value of @var{istate} will be\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	273 greater than zero (consistent with the Fortran version of @sc{dassl}).\n\
4115 fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	274 \n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	275 If the computation is not successful, the value of @var{istate} will be\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	276 less than zero and @var{msg} will contain additional information.\n\
fc2048d4cd21 [project @ 2002-10-22 21:28:42 by jwe] jwe parents: 3998 diff changeset	277 \n\
3964 3030cb6cb559 [project @ 2002-06-28 17:17:55 by jwe] jwe parents: 3849 diff changeset	278 You can use the function @code{dassl_options} to set optional\n\
3030cb6cb559 [project @ 2002-06-28 17:17:55 by jwe] jwe parents: 3849 diff changeset	279 parameters for @code{dassl}.\n\
5694 95d90f781ca8 [project @ 2006-03-20 18:29:20 by jwe] jwe parents: 5642 diff changeset	280 @seealso{daspk, dasrt, lsode}\n\
5642 2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe] jwe parents: 5307 diff changeset	281 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	282 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	283 octave_value_list retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	284
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	285 warned_fcn_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	286 warned_jac_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	287
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	288 unwind_protect frame;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	289
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9758 diff changeset	290 frame.protect_var (call_depth);
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	291 call_depth++;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	292
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	293 if (call_depth > 1)
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	294 DASSL_ABORT1 ("invalid recursive call");
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	295
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	296 int nargin = args.length ();
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	297
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	298 if (nargin > 3 && nargin < 6 && nargout < 5)
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	299 {
5729 e065f7c18bdc [project @ 2006-04-03 19:03:30 by jwe] jwe parents: 5694 diff changeset	300 std::string fcn_name, fname, jac_name, jname;
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	301 dassl_fcn = 0;
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	302 dassl_jac = 0;
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	303
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	304 octave_value f_arg = args(0);
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	305
5729 e065f7c18bdc [project @ 2006-04-03 19:03:30 by jwe] jwe parents: 5694 diff changeset	306 if (f_arg.is_cell ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	307 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	308 Cell c = f_arg.cell_value ();
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20229 diff changeset	309 if (c.numel () == 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	310 f_arg = c(0);
20232 a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel(). Carnë Draug <carandraug@octave.org> parents: 20229 diff changeset	311 else if (c.numel () == 2)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	312 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	313 if (c(0).is_function_handle () \|\| c(0).is_inline_function ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	314 dassl_fcn = c(0).function_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	315 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	316 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	317 fcn_name = unique_symbol_name ("__dassl_fcn__");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	318 fname = "function y = ";
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	319 fname.append (fcn_name);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	320 fname.append (" (x, xdot, t) y = ");
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	321 dassl_fcn = extract_function (c(0), "dassl", fcn_name, fname,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	322 "; endfunction");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	323 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	324
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	325 if (dassl_fcn)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	326 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	327 if (c(1).is_function_handle () \|\| c(1).is_inline_function ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	328 dassl_jac = c(1).function_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	329 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	330 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	331 jac_name = unique_symbol_name ("__dassl_jac__");
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	332 jname = "function jac = ";
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	333 jname.append (jac_name);
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	334 jname.append (" (x, xdot, t, cj) jac = ");
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	335 dassl_jac = extract_function (c(1), "dassl", jac_name,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	336 jname, "; endfunction");
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	337
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	338 if (!dassl_jac)
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	339 {
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	340 if (fcn_name.length ())
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	341 clear_function (fcn_name);
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	342 dassl_fcn = 0;
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	343 }
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	344 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	345 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	346 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	347 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	348 DASSL_ABORT1 ("incorrect number of elements in cell array");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	349 }
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	350
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	351 if (!dassl_fcn && ! f_arg.is_cell ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	352 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	353 if (f_arg.is_function_handle () \|\| f_arg.is_inline_function ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	354 dassl_fcn = f_arg.function_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	355 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	356 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	357 switch (f_arg.rows ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	358 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	359 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	360 do
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	361 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	362 fcn_name = unique_symbol_name ("__dassl_fcn__");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	363 fname = "function y = ";
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	364 fname.append (fcn_name);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	365 fname.append (" (x, xdot, t) y = ");
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	366 dassl_fcn = extract_function (f_arg, "dassl", fcn_name,
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	367 fname, "; endfunction");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	368 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	369 while (0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	370 break;
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	371
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	372 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	373 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	374 string_vector tmp = f_arg.all_strings ();
5729 e065f7c18bdc [project @ 2006-04-03 19:03:30 by jwe] jwe parents: 5694 diff changeset	375
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	376 fcn_name = unique_symbol_name ("__dassl_fcn__");
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	377 fname = "function y = ";
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	378 fname.append (fcn_name);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	379 fname.append (" (x, xdot, t) y = ");
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	380 dassl_fcn = extract_function (tmp(0), "dassl", fcn_name,
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	381 fname, "; endfunction");
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	382
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	383 if (dassl_fcn)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	384 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	385 jac_name = unique_symbol_name ("__dassl_jac__");
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	386 jname = "function jac = ";
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	387 jname.append (jac_name);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	388 jname.append (" (x, xdot, t, cj) jac = ");
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	389 dassl_jac = extract_function (tmp(1), "dassl",
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	390 jac_name, jname,
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	391 "; endfunction");
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	392
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	393 if (!dassl_jac)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	394 {
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	395 if (fcn_name.length ())
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	396 clear_function (fcn_name);
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	397 dassl_fcn = 0;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	398 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	399 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	400 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	401 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	402 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	403 }
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	404
20703 85e5efae848a eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20687 diff changeset	405 if (! dassl_fcn)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	406 DASSL_ABORT ();
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	407
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20703 diff changeset	408 ColumnVector state = args(1).xvector_value ("dassl: initial state X_0 must be a vector");
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	409
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20703 diff changeset	410 ColumnVector deriv = args(2).xvector_value ("dassl: initial derivatives XDOT_0 must be a vector");
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	411
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20703 diff changeset	412 ColumnVector out_times = args(3).xvector_value ("dassl: output time variable T must be a vector");
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	413
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	414 ColumnVector crit_times;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	415 int crit_times_set = 0;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	416 if (nargin > 4)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	417 {
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20703 diff changeset	418 crit_times = args(4).xvector_value ("dassl: list of critical times T_CRIT must be a vector");
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	419
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	420 crit_times_set = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	421 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	422
20229 5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax(). Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	423 if (state.numel () != deriv.numel ())
20711 7b608fadc663 Make error messages more specific about the variable and problem encountered. Rik <rik@octave.org> parents: 20703 diff changeset	424 DASSL_ABORT1 ("X and XDOT_0 must have the same size");
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	425
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	426 double tzero = out_times (0);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	427
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	428 DAEFunc func (dassl_user_function);
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	429 if (dassl_jac)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	430 func.set_jacobian_function (dassl_user_jacobian);
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	431
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	432 DASSL dae (state, deriv, tzero, func);
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3964 diff changeset	433
4122 19a1626b8d57 [project @ 2002-10-23 22:10:53 by jwe] jwe parents: 4117 diff changeset	434 dae.set_options (dassl_opts);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	435
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	436 Matrix output;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	437 Matrix deriv_output;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	438
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	439 if (crit_times_set)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	440 output = dae.integrate (out_times, deriv_output, crit_times);
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	441 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	442 output = dae.integrate (out_times, deriv_output);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	443
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	444 if (fcn_name.length ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	445 clear_function (fcn_name);
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	446 if (jac_name.length ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	447 clear_function (jac_name);
5729 e065f7c18bdc [project @ 2006-04-03 19:03:30 by jwe] jwe parents: 5694 diff changeset	448
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	449 std::string msg = dae.error_message ();
3997 d4091aff6468 [project @ 2002-07-17 18:00:06 by jwe] jwe parents: 3991 diff changeset	450
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	451 retval(3) = msg;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	452 retval(2) = static_cast<double> (dae.integration_state ());
3997 d4091aff6468 [project @ 2002-07-17 18:00:06 by jwe] jwe parents: 3991 diff changeset	453
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	454 if (dae.integration_ok ())
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	455 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	456 retval(1) = deriv_output;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	457 retval(0) = output;
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	458 }
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	459 else
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	460 {
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	461 retval(1) = Matrix ();
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	462 retval(0) = Matrix ();
3997 d4091aff6468 [project @ 2002-07-17 18:00:06 by jwe] jwe parents: 3991 diff changeset	463
20556 4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	464 if (nargout < 3)
4bed806ee3d4 eliminate more simple uses of error_state John W. Eaton <jwe@octave.org> parents: 20428 diff changeset	465 error ("dassl: %s", msg.c_str ());
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	466 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	467 }
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	468 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5729 diff changeset	469 print_usage ();
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	470
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	471 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	472 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	473
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	474 /*
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	475 ## dassl-1.m
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	476 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	477 ## Test dassl() function
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	478 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	479 ## Author: David Billinghurst (David.Billinghurst@riotinto.com.au)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	480 ## Comalco Research and Technology
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	481 ## 20 May 1998
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	482 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	483 ## Problem
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	484 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	485 ## y1' = -y2, y1(0) = 1
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	486 ## y2' = y1, y2(0) = 0
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	487 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	488 ## Solution
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	489 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	490 ## y1(t) = cos(t)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	491 ## y2(t) = sin(t)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	492 ##
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	493 %!function res = __f (x, xdot, t)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	494 %! res = [xdot(1)+x(2); xdot(2)-x(1)];
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	495 %!endfunction
4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	496
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	497 %!test
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	498 %!
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	499 %! x0 = [1; 0];
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	500 %! xdot0 = [0; 1];
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	501 %! t = (0:1:10)';
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	502 %!
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	503 %! tol = 100 * dassl_options ("relative tolerance");
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	504 %!
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	505 %! [x, xdot] = dassl ("__f", x0, xdot0, t);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	506 %!
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	507 %! y = [cos(t), sin(t)];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	508 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	509 %! assert (x, y, tol);
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	510
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	511 ## dassl-2.m
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	512 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	513 ## Test dassl() function
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	514 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	515 ## Author: David Billinghurst (David.Billinghurst@riotinto.com.au)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	516 ## Comalco Research and Technology
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	517 ## 20 May 1998
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	518 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	519 ## Based on SLATEC quick check for DASSL by Linda Petzold
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	520 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	521 ## Problem
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	522 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	523 ## x1' + 10*x1 = 0, x1(0) = 1
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	524 ## x1 + x2 = 1, x2(0) = 0
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	525 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	526 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	527 ## Solution
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	528 ##
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	529 ## x1(t) = exp(-10*t)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	530 ## x2(t) = 1 - x(1)
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	531 ##
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	532 %!function res = __f (x, xdot, t)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	533 %! res = [xdot(1)+10*x(1); x(1)+x(2)-1];
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	534 %!endfunction
4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	535
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	536 %!test
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	537 %!
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	538 %! x0 = [1; 0];
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	539 %! xdot0 = [-10; 10];
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	540 %! t = (0:0.2:1)';
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	541 %!
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	542 %! tol = 500 * dassl_options ("relative tolerance");
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	543 %!
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	544 %! [x, xdot] = dassl ("__f", x0, xdot0, t);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	545 %!
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	546 %! y = [exp(-10t), 1-exp(-10t)];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	547 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	548 %! assert (x, y, tol);
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	549
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	550 %!test
16780 781916090eb1 Restore dassl tolerance after running %! tests (bug #36137). Rik <rik@octave.org> parents: 15195 diff changeset	551 %! old_tol = dassl_options ("absolute tolerance");
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	552 %! dassl_options ("absolute tolerance", eps);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	553 %! assert (dassl_options ("absolute tolerance") == eps);
16780 781916090eb1 Restore dassl tolerance after running %! tests (bug #36137). Rik <rik@octave.org> parents: 15195 diff changeset	554 %! ## Restore old value of tolerance
781916090eb1 Restore dassl tolerance after running %! tests (bug #36137). Rik <rik@octave.org> parents: 15195 diff changeset	555 %! dassl_options ("absolute tolerance", old_tol);
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	556
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	557 %!error dassl_options ("foo", 1, 2)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	558 */

Mercurial > octave

annotate libinterp/corefcn/dassl.cc @ 20725:7164a69472dd