octave-nkf: liboctave/DASSL.cc annotate

annotate liboctave/DASSL.cc @ 11521:00fe5069b70e

update bootstrap scripts from gnulib sources

author	John W. Eaton <jwe@octave.org>
date	Fri, 14 Jan 2011 02:58:24 -0500
parents	4638800cd660
children	fd0a3ac60b0e

rev	line source
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	1 /*
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	2
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 7482 diff changeset	4 2002, 2003, 2004, 2005, 2006, 2007, 2008 John W. Eaton
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	5
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	7
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	9 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: 5775 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5775 diff changeset	11 option) any later version.
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	12
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	16 for more details.
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	17
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	18 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: 5775 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5775 diff changeset	20 <http://www.gnu.org/licenses/>.
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	21
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	22 */
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	23
238 780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe] jwe parents: 227 diff changeset	24 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1011 diff changeset	25 #include <config.h>
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	26 #endif
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	27
1842 0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	28 #include <cfloat>
0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	29
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5307 diff changeset	30 #include <sstream>
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5307 diff changeset	31
1842 0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	32 #include "DASSL.h"
1847 2ffe49eb95a5 [project @ 1996-02-03 12:47:55 by jwe] jwe parents: 1842 diff changeset	33 #include "f77-fcn.h"
227 1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe] jwe parents: 84 diff changeset	34 #include "lo-error.h"
7231 2eb392d058bb [project @ 2007-11-30 18:53:29 by jwe] jwe parents: 7017 diff changeset	35 #include "lo-math.h"
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	36 #include "quit.h"
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	37
11495 8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	38 typedef octave_idx_type (dassl_fcn_ptr) (const double&, const double,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	39 const double, double,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	40 octave_idx_type&, double*,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	41 octave_idx_type*);
3507 00fdd363c098 [project @ 2000-02-01 21:31:44 by jwe] jwe parents: 3487 diff changeset	42
11495 8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	43 typedef octave_idx_type (dassl_jac_ptr) (const double&, const double,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	44 const double, double,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	45 const double&, double*,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	46 octave_idx_type*);
3507 00fdd363c098 [project @ 2000-02-01 21:31:44 by jwe] jwe parents: 3487 diff changeset	47
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	48 extern "C"
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4429 diff changeset	49 {
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4429 diff changeset	50 F77_RET_T
11495 8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	51 F77_FUNC (ddassl, DDASSL) (dassl_fcn_ptr, const octave_idx_type&,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	52 double&, double, double, double&,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	53 const octave_idx_type, const double,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	54 const double*, octave_idx_type&,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	55 double*, const octave_idx_type&,
8a5e980da6aa style fixes John W. Eaton <jwe@octave.org> parents: 10350 diff changeset	56 octave_idx_type*, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	57 const double, const octave_idx_type,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	58 dassl_jac_ptr);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4429 diff changeset	59 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	60
532 2ca256b77602 [project @ 1994-07-20 19:56:55 by jwe] jwe parents: 465 diff changeset	61 static DAEFunc::DAERHSFunc user_fun;
2ca256b77602 [project @ 1994-07-20 19:56:55 by jwe] jwe parents: 465 diff changeset	62 static DAEFunc::DAEJacFunc user_jac;
3993 f23bc69132cc [project @ 2002-07-16 20:18:56 by jwe] jwe parents: 3991 diff changeset	63
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	64 static octave_idx_type nn;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	65
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	66 static octave_idx_type
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	67 ddassl_f (const double& time, const double state, const double deriv,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	68 double delta, octave_idx_type& ires, double , octave_idx_type *)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	69 {
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	70 BEGIN_INTERRUPT_WITH_EXCEPTIONS;
84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	71
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5765 diff changeset	72 // FIXME -- would be nice to avoid copying the data.
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	73
1546 a272c4056bab [project @ 1995-10-07 03:38:40 by jwe] jwe parents: 1482 diff changeset	74 ColumnVector tmp_deriv (nn);
a272c4056bab [project @ 1995-10-07 03:38:40 by jwe] jwe parents: 1482 diff changeset	75 ColumnVector tmp_state (nn);
a272c4056bab [project @ 1995-10-07 03:38:40 by jwe] jwe parents: 1482 diff changeset	76 ColumnVector tmp_delta (nn);
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	77
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	78 for (octave_idx_type i = 0; i < nn; i++)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	79 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	80 tmp_deriv.elem (i) = deriv [i];
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	81 tmp_state.elem (i) = state [i];
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	82 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	83
3849 5266e351a19c [project @ 2001-11-02 04:50:09 by jwe] jwe parents: 3520 diff changeset	84 tmp_delta = user_fun (tmp_state, tmp_deriv, time, ires);
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	85
3849 5266e351a19c [project @ 2001-11-02 04:50:09 by jwe] jwe parents: 3520 diff changeset	86 if (ires >= 0)
256 e592734b002b [project @ 1993-12-08 23:36:33 by jwe] jwe parents: 238 diff changeset	87 {
3849 5266e351a19c [project @ 2001-11-02 04:50:09 by jwe] jwe parents: 3520 diff changeset	88 if (tmp_delta.length () == 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	89 ires = -2;
3849 5266e351a19c [project @ 2001-11-02 04:50:09 by jwe] jwe parents: 3520 diff changeset	90 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	91 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	92 for (octave_idx_type i = 0; i < nn; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	93 delta [i] = tmp_delta.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	94 }
256 e592734b002b [project @ 1993-12-08 23:36:33 by jwe] jwe parents: 238 diff changeset	95 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	96
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	97 END_INTERRUPT_WITH_EXCEPTIONS;
84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	98
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	99 return 0;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	100 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	101
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	102 static octave_idx_type
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	103 ddassl_j (const double& time, const double state, const double deriv,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	104 double pd, const double& cj, double , octave_idx_type *)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	105 {
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	106 BEGIN_INTERRUPT_WITH_EXCEPTIONS;
84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	107
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5765 diff changeset	108 // FIXME -- would be nice to avoid copying the data.
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	109
1546 a272c4056bab [project @ 1995-10-07 03:38:40 by jwe] jwe parents: 1482 diff changeset	110 ColumnVector tmp_state (nn);
a272c4056bab [project @ 1995-10-07 03:38:40 by jwe] jwe parents: 1482 diff changeset	111 ColumnVector tmp_deriv (nn);
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	112
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	113 for (octave_idx_type i = 0; i < nn; i++)
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	114 {
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	115 tmp_deriv.elem (i) = deriv [i];
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	116 tmp_state.elem (i) = state [i];
48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	117 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	118
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	119 Matrix tmp_pd = user_jac (tmp_state, tmp_deriv, time, cj);
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	120
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	121 for (octave_idx_type j = 0; j < nn; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	122 for (octave_idx_type i = 0; i < nn; i++)
3991 48d2bc4a3729 [project @ 2002-07-16 17:46:50 by jwe] jwe parents: 3990 diff changeset	123 pd [nn * j + i] = tmp_pd.elem (i, j);
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	124
4180 84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	125 END_INTERRUPT_WITH_EXCEPTIONS;
84fe3ca3a246 [project @ 2002-11-15 04:47:01 by jwe] jwe parents: 4066 diff changeset	126
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	127 return 0;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	128 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	129
1546 a272c4056bab [project @ 1995-10-07 03:38:40 by jwe] jwe parents: 1482 diff changeset	130 ColumnVector
1842 0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	131 DASSL::do_integrate (double tout)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	132 {
1945 8c4bce5e773e [project @ 1996-02-14 01:03:03 by jwe] jwe parents: 1939 diff changeset	133 ColumnVector retval;
8c4bce5e773e [project @ 1996-02-14 01:03:03 by jwe] jwe parents: 1939 diff changeset	134
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	135 if (! initialized \|\| restart \|\| DAEFunc::reset\|\| DASSL_options::reset)
1945 8c4bce5e773e [project @ 1996-02-14 01:03:03 by jwe] jwe parents: 1939 diff changeset	136 {
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	137 integration_error = false;
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	138
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	139 initialized = true;
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	140
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	141 info.resize (15, 1);
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	142
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	143 for (octave_idx_type i = 0; i < 15; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	144 info(i) = 0;
1945 8c4bce5e773e [project @ 1996-02-14 01:03:03 by jwe] jwe parents: 1939 diff changeset	145
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	146 octave_idx_type n = size ();
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	147
4429 c1f6200b5f0e [project @ 2003-06-17 04:36:08 by jwe] jwe parents: 4192 diff changeset	148 liw = 21 + n;
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	149 lrw = 40 + 9n + nn;
1945 8c4bce5e773e [project @ 1996-02-14 01:03:03 by jwe] jwe parents: 1939 diff changeset	150
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	151 nn = n;
1945 8c4bce5e773e [project @ 1996-02-14 01:03:03 by jwe] jwe parents: 1939 diff changeset	152
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	153 iwork.resize (liw, 1);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	154 rwork.resize (lrw, 1);
256 e592734b002b [project @ 1993-12-08 23:36:33 by jwe] jwe parents: 238 diff changeset	155
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	156 info(0) = 0;
3994 a41827ec5677 [project @ 2002-07-16 23:57:09 by jwe] jwe parents: 3993 diff changeset	157
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	158 if (stop_time_set)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	159 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	160 rwork(0) = stop_time;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	161 info(3) = 1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	162 }
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	163 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	164 info(3) = 0;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	165
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	166 restart = false;
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	167
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	168 // DAEFunc
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	169
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	170 user_fun = DAEFunc::function ();
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	171 user_jac = DAEFunc::jacobian_function ();
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	172
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	173 if (user_fun)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	174 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	175 octave_idx_type ires = 0;
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	176
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	177 ColumnVector res = (*user_fun) (x, xdot, t, ires);
3993 f23bc69132cc [project @ 2002-07-16 20:18:56 by jwe] jwe parents: 3991 diff changeset	178
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	179 if (res.length () != x.length ())
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	180 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	181 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	182 ("dassl: inconsistent sizes for state and residual vectors");
3849 5266e351a19c [project @ 2001-11-02 04:50:09 by jwe] jwe parents: 3520 diff changeset	183
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	184 integration_error = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	185 return retval;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	186 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	187 }
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	188 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	189 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	190 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	191 ("dassl: no user supplied RHS subroutine!");
2344 968a33af8b3d [project @ 1996-07-24 21:49:32 by jwe] jwe parents: 1993 diff changeset	192
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	193 integration_error = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	194 return retval;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	195 }
2344 968a33af8b3d [project @ 1996-07-24 21:49:32 by jwe] jwe parents: 1993 diff changeset	196
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	197 info(4) = user_jac ? 1 : 0;
2344 968a33af8b3d [project @ 1996-07-24 21:49:32 by jwe] jwe parents: 1993 diff changeset	198
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	199 DAEFunc::reset = false;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	200
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	201 // DASSL_options
3998 f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3997 diff changeset	202
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	203 double hmax = maximum_step_size ();
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	204 if (hmax >= 0.0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	205 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	206 rwork(1) = hmax;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	207 info(6) = 1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	208 }
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	209 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	210 info(6) = 0;
3998 f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3997 diff changeset	211
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	212 double h0 = initial_step_size ();
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	213 if (h0 >= 0.0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	214 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	215 rwork(2) = h0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	216 info(7) = 1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	217 }
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	218 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	219 info(7) = 0;
3998 f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3997 diff changeset	220
4429 c1f6200b5f0e [project @ 2003-06-17 04:36:08 by jwe] jwe parents: 4192 diff changeset	221 if (step_limit () >= 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	222 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	223 info(11) = 1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	224 iwork(20) = step_limit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	225 }
4429 c1f6200b5f0e [project @ 2003-06-17 04:36:08 by jwe] jwe parents: 4192 diff changeset	226 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	227 info(11) = 0;
4429 c1f6200b5f0e [project @ 2003-06-17 04:36:08 by jwe] jwe parents: 4192 diff changeset	228
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	229 octave_idx_type maxord = maximum_order ();
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	230 if (maxord >= 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	231 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	232 if (maxord > 0 && maxord < 6)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	233 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	234 info(8) = 1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	235 iwork(2) = maxord;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	236 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	237 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	238 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	239 (*current_liboctave_error_handler)
11502 4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	240 ("dassl: invalid value for maximum order: %d", maxord);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	241 integration_error = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	242 return retval;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	243 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	244 }
4047 7b0c139ac8af [project @ 2002-08-15 20:52:55 by jwe] jwe parents: 4043 diff changeset	245
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	246 octave_idx_type enc = enforce_nonnegativity_constraints ();
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	247 info(9) = enc ? 1 : 0;
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	248
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	249 octave_idx_type ccic = compute_consistent_initial_condition ();
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	250 info(10) = ccic ? 1 : 0;
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	251
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	252 abs_tol = absolute_tolerance ();
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	253 rel_tol = relative_tolerance ();
289 c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 256 diff changeset	254
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	255 octave_idx_type abs_tol_len = abs_tol.length ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	256 octave_idx_type rel_tol_len = rel_tol.length ();
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	257
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	258 if (abs_tol_len == 1 && rel_tol_len == 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	259 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	260 info(1) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	261 }
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	262 else if (abs_tol_len == n && rel_tol_len == n)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	263 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	264 info(1) = 1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	265 }
4047 7b0c139ac8af [project @ 2002-08-15 20:52:55 by jwe] jwe parents: 4043 diff changeset	266 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	267 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	268 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	269 ("dassl: inconsistent sizes for tolerance arrays");
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	270
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	271 integration_error = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	272 return retval;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	273 }
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	274
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	275 DASSL_options::reset = false;
289 c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 256 diff changeset	276 }
4047 7b0c139ac8af [project @ 2002-08-15 20:52:55 by jwe] jwe parents: 4043 diff changeset	277
11502 4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	278 double *px = x.fortran_vec ();
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	279 double *pxdot = xdot.fortran_vec ();
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	280
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	281 octave_idx_type *pinfo = info.fortran_vec ();
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	282
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	283 double *prel_tol = rel_tol.fortran_vec ();
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	284 double *pabs_tol = abs_tol.fortran_vec ();
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	285
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	286 double *prwork = rwork.fortran_vec ();
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	287 octave_idx_type *piwork = iwork.fortran_vec ();
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	288
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	289 double *dummy = 0;
4638800cd660 delete data pointer members from liboctave ODE/DAE classes; make destuctors virtual in ODE/DAE base classes John W. Eaton <jwe@octave.org> parents: 11495 diff changeset	290 octave_idx_type *idummy = 0;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	291
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	292 F77_XFCN (ddassl, DDASSL, (ddassl_f, nn, t, px, pxdot, tout, pinfo,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	293 prel_tol, pabs_tol, istate, prwork, lrw,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	294 piwork, liw, dummy, idummy, ddassl_j));
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	295
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	296 switch (istate)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	297 {
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	298 case 1: // A step was successfully taken in intermediate-output
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	299 // mode. The code has not yet reached TOUT.
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	300 case 2: // The integration to TSTOP was successfully completed
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	301 // (T=TSTOP) by stepping exactly to TSTOP.
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	302 case 3: // The integration to TOUT was successfully completed
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	303 // (T=TOUT) by stepping past TOUT. Y(*) is obtained by
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	304 // interpolation. YPRIME(*) is obtained by interpolation.
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	305 retval = x;
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	306 t = tout;
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	307 break;
1360 7eb93d12654c [project @ 1995-09-05 21:51:54 by jwe] jwe parents: 1326 diff changeset	308
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	309 case -1: // A large amount of work has been expended. (~500 steps).
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	310 case -2: // The error tolerances are too stringent.
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	311 case -3: // The local error test cannot be satisfied because you
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	312 // specified a zero component in ATOL and the
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	313 // corresponding computed solution component is zero.
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	314 // Thus, a pure relative error test is impossible for
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	315 // this component.
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	316 case -6: // DDASSL had repeated error test failures on the last
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	317 // attempted step.
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	318 case -7: // The corrector could not converge.
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	319 case -8: // The matrix of partial derivatives is singular.
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	320 case -9: // The corrector could not converge. There were repeated
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	321 // error test failures in this step.
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	322 case -10: // The corrector could not converge because IRES was
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	323 // equal to minus one.
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	324 case -11: // IRES equal to -2 was encountered and control is being
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	325 // returned to the calling program.
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	326 case -12: // DDASSL failed to compute the initial YPRIME.
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	327 case -33: // The code has encountered trouble from which it cannot
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	328 // recover. A message is printed explaining the trouble
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	329 // and control is returned to the calling program. For
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	330 // example, this occurs when invalid input is detected.
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	331 integration_error = true;
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	332 break;
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	333
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	334 default:
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	335 integration_error = true;
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	336 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	337 ("unrecognized value of istate (= %d) returned from ddassl",
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	338 istate);
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7231 diff changeset	339 break;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	340 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	341
1945 8c4bce5e773e [project @ 1996-02-14 01:03:03 by jwe] jwe parents: 1939 diff changeset	342 return retval;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	343 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	344
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	345 Matrix
1842 0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	346 DASSL::do_integrate (const ColumnVector& tout)
0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	347 {
0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	348 Matrix dummy;
0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	349 return integrate (tout, dummy);
0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	350 }
0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	351
0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	352 Matrix
0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	353 DASSL::integrate (const ColumnVector& tout, Matrix& xdot_out)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	354 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	355 Matrix retval;
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	356
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	357 octave_idx_type n_out = tout.capacity ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	358 octave_idx_type n = size ();
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	359
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	360 if (n_out > 0 && n > 0)
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	361 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	362 retval.resize (n_out, n);
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	363 xdot_out.resize (n_out, n);
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	364
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	365 for (octave_idx_type i = 0; i < n; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	366 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	367 retval.elem (0, i) = x.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	368 xdot_out.elem (0, i) = xdot.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	369 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	370
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	371 for (octave_idx_type j = 1; j < n_out; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	372 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	373 ColumnVector x_next = do_integrate (tout.elem (j));
256 e592734b002b [project @ 1993-12-08 23:36:33 by jwe] jwe parents: 238 diff changeset	374
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	375 if (integration_error)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	376 return retval;
256 e592734b002b [project @ 1993-12-08 23:36:33 by jwe] jwe parents: 238 diff changeset	377
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	378 for (octave_idx_type i = 0; i < n; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	379 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	380 retval.elem (j, i) = x_next.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	381 xdot_out.elem (j, i) = xdot.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	382 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	383 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	384 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	385
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	386 return retval;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	387 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	388
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	389 Matrix
3519 957d7d6ab0e0 [project @ 2000-02-02 06:00:09 by jwe] jwe parents: 3507 diff changeset	390 DASSL::do_integrate (const ColumnVector& tout, const ColumnVector& tcrit)
957d7d6ab0e0 [project @ 2000-02-02 06:00:09 by jwe] jwe parents: 3507 diff changeset	391 {
957d7d6ab0e0 [project @ 2000-02-02 06:00:09 by jwe] jwe parents: 3507 diff changeset	392 Matrix dummy;
957d7d6ab0e0 [project @ 2000-02-02 06:00:09 by jwe] jwe parents: 3507 diff changeset	393 return integrate (tout, dummy, tcrit);
957d7d6ab0e0 [project @ 2000-02-02 06:00:09 by jwe] jwe parents: 3507 diff changeset	394 }
957d7d6ab0e0 [project @ 2000-02-02 06:00:09 by jwe] jwe parents: 3507 diff changeset	395
957d7d6ab0e0 [project @ 2000-02-02 06:00:09 by jwe] jwe parents: 3507 diff changeset	396 Matrix
1842 0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe] jwe parents: 1546 diff changeset	397 DASSL::integrate (const ColumnVector& tout, Matrix& xdot_out,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	398 const ColumnVector& tcrit)
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	399 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	400 Matrix retval;
4049 a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe] jwe parents: 4047 diff changeset	401
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	402 octave_idx_type n_out = tout.capacity ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	403 octave_idx_type n = size ();
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	404
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	405 if (n_out > 0 && n > 0)
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	406 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	407 retval.resize (n_out, n);
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	408 xdot_out.resize (n_out, n);
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	409
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	410 for (octave_idx_type i = 0; i < n; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	411 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	412 retval.elem (0, i) = x.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	413 xdot_out.elem (0, i) = xdot.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	414 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	415
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	416 octave_idx_type n_crit = tcrit.capacity ();
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	417
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	418 if (n_crit > 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	419 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	420 octave_idx_type i_crit = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	421 octave_idx_type i_out = 1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	422 double next_crit = tcrit.elem (0);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	423 double next_out;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	424 while (i_out < n_out)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	425 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	426 bool do_restart = false;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	427
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	428 next_out = tout.elem (i_out);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	429 if (i_crit < n_crit)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	430 next_crit = tcrit.elem (i_crit);
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	431
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	432 bool save_output;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	433 double t_out;
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	434
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	435 if (next_crit == next_out)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	436 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	437 set_stop_time (next_crit);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	438 t_out = next_out;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	439 save_output = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	440 i_out++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	441 i_crit++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	442 do_restart = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	443 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	444 else if (next_crit < next_out)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	445 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	446 if (i_crit < n_crit)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	447 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	448 set_stop_time (next_crit);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	449 t_out = next_crit;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	450 save_output = false;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	451 i_crit++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	452 do_restart = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	453 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	454 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	455 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	456 clear_stop_time ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	457 t_out = next_out;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	458 save_output = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	459 i_out++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	460 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	461 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	462 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	463 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	464 set_stop_time (next_crit);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	465 t_out = next_out;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	466 save_output = true;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	467 i_out++;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	468 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	469
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	470 ColumnVector x_next = do_integrate (t_out);
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	471
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	472 if (integration_error)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	473 return retval;
256 e592734b002b [project @ 1993-12-08 23:36:33 by jwe] jwe parents: 238 diff changeset	474
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	475 if (save_output)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	476 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	477 for (octave_idx_type i = 0; i < n; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	478 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	479 retval.elem (i_out-1, i) = x_next.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	480 xdot_out.elem (i_out-1, i) = xdot.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	481 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	482 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	483
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	484 if (do_restart)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	485 force_restart ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	486 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	487 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	488 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	489 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	490 retval = integrate (tout, xdot_out);
256 e592734b002b [project @ 1993-12-08 23:36:33 by jwe] jwe parents: 238 diff changeset	491
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	492 if (integration_error)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	493 return retval;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	494 }
3 9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	495 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	496
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	497 return retval;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe] jwe parents: diff changeset	498 }
289 c23f50e61c58 [project @ 1994-01-13 06:25:58 by jwe] jwe parents: 256 diff changeset	499
3995 ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	500 std::string
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	501 DASSL::error_message (void) const
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	502 {
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	503 std::string retval;
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	504
5765 7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5307 diff changeset	505 std::ostringstream buf;
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5307 diff changeset	506 buf << t;
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe] jwe parents: 5307 diff changeset	507 std::string t_curr = buf.str ();
4043 6fae69a1796e [project @ 2002-08-15 03:36:27 by jwe] jwe parents: 3998 diff changeset	508
3997 d4091aff6468 [project @ 2002-07-17 18:00:06 by jwe] jwe parents: 3996 diff changeset	509 switch (istate)
3995 ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	510 {
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	511 case 1:
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	512 retval = "a step was successfully taken in intermediate-output mode.";
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	513 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	514
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	515 case 2:
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	516 retval = "integration completed by stepping exactly to TOUT";
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	517 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	518
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	519 case 3:
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	520 retval = "integration to tout completed by stepping past TOUT";
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	521 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	522
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	523 case -1:
4043 6fae69a1796e [project @ 2002-08-15 03:36:27 by jwe] jwe parents: 3998 diff changeset	524 retval = std::string ("a large amount of work has been expended (t =")
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	525 + t_curr + ")";
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	526 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	527
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	528 case -2:
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	529 retval = "the error tolerances are too stringent";
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	530 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	531
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	532 case -3:
4043 6fae69a1796e [project @ 2002-08-15 03:36:27 by jwe] jwe parents: 3998 diff changeset	533 retval = std::string ("error weight became zero during problem. (t = ")
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	534 + t_curr
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	535 + "; solution component i vanished, and atol or atol(i) == 0)";
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	536 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	537
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	538 case -6:
4043 6fae69a1796e [project @ 2002-08-15 03:36:27 by jwe] jwe parents: 3998 diff changeset	539 retval = std::string ("repeated error test failures on the last attempted step (t = ")
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	540 + t_curr + ")";
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	541 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	542
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	543 case -7:
4043 6fae69a1796e [project @ 2002-08-15 03:36:27 by jwe] jwe parents: 3998 diff changeset	544 retval = std::string ("the corrector could not converge (t = ")
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	545 + t_curr + ")";
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	546 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	547
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	548 case -8:
4043 6fae69a1796e [project @ 2002-08-15 03:36:27 by jwe] jwe parents: 3998 diff changeset	549 retval = std::string ("the matrix of partial derivatives is singular (t = ")
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	550 + t_curr + ")";
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	551 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	552
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	553 case -9:
4043 6fae69a1796e [project @ 2002-08-15 03:36:27 by jwe] jwe parents: 3998 diff changeset	554 retval = std::string ("the corrector could not converge (t = ")
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	555 + t_curr + "; repeated test failures)";
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	556 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	557
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	558 case -10:
4043 6fae69a1796e [project @ 2002-08-15 03:36:27 by jwe] jwe parents: 3998 diff changeset	559 retval = std::string ("corrector could not converge because IRES was -1 (t = ")
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	560 + t_curr + ")";
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	561 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	562
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	563 case -11:
4043 6fae69a1796e [project @ 2002-08-15 03:36:27 by jwe] jwe parents: 3998 diff changeset	564 retval = std::string ("return requested in user-supplied function (t = ")
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	565 + t_curr + ")";
3996 98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	566 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	567
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	568 case -12:
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	569 retval = "failed to compute consistent initial conditions";
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	570 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	571
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	572 case -33:
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	573 retval = "unrecoverable error (see printed message)";
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	574 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe] jwe parents: 3995 diff changeset	575
3995 ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	576 default:
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	577 retval = "unknown error state";
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	578 break;
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	579 }
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	580
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	581 return retval;
ee0304212be0 [project @ 2002-07-17 04:32:42 by jwe] jwe parents: 3994 diff changeset	582 }

Mercurial > hg > octave-nkf

annotate liboctave/DASSL.cc @ 11521:00fe5069b70e