octave-nkf: liboctave/DASSL.cc annotate

annotate liboctave/DASSL.cc @ 10509:ddbd812d09aa

properly compress sparse matrices after assembly

author	Jaroslav Hajek <highegg@gmail.com>
date	Mon, 12 Apr 2010 12:57:44 +0200
parents	12884915a8e4
children	8a5e980da6aa

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

Mercurial > hg > octave-nkf

annotate liboctave/DASSL.cc @ 10509:ddbd812d09aa