Mercurial > octave
annotate libinterp/corefcn/daspk.cc @ 26376:00f796120a6d stable
maint: Update copyright dates in all source files.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 02 Jan 2019 16:32:43 -0500 |
parents | cb1606f78f6b |
children | 041caa61ed34 |
rev | line source |
---|---|
3912 | 1 /* |
2 | |
26376
00f796120a6d
maint: Update copyright dates in all source files.
John W. Eaton <jwe@octave.org>
parents:
25438
diff
changeset
|
3 Copyright (C) 1996-2019 John W. Eaton |
3912 | 4 |
5 This file is part of Octave. | |
6 | |
24534
194eb4bd202b
maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents:
23795
diff
changeset
|
7 Octave is free software: you can redistribute it and/or modify it |
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
8 under the terms of the GNU General Public License as published by |
24534
194eb4bd202b
maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents:
23795
diff
changeset
|
9 the Free Software Foundation, either version 3 of the License, or |
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
10 (at your option) any later version. |
3912 | 11 |
22755
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
12 Octave is distributed in the hope that it will be useful, but |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
13 WITHOUT ANY WARRANTY; without even the implied warranty of |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
3a2b891d0b33
maint: Standardize Copyright formatting.
Rik <rik@octave.org>
parents:
22407
diff
changeset
|
15 GNU General Public License for more details. |
3912 | 16 |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
24534
194eb4bd202b
maint: Update punctuation for GPL v3 license text.
Rik <rik@octave.org>
parents:
23795
diff
changeset
|
19 <https://www.gnu.org/licenses/>. |
3912 | 20 |
21 */ | |
22 | |
21724
aba2e6293dd8
use "#if ..." consistently instead of "#ifdef" and "#ifndef"
John W. Eaton <jwe@octave.org>
parents:
21301
diff
changeset
|
23 #if defined (HAVE_CONFIG_H) |
21301
40de9f8f23a6
Use '#include "config.h"' rather than <config.h>.
Rik <rik@octave.org>
parents:
21200
diff
changeset
|
24 # include "config.h" |
3912 | 25 #endif |
26 | |
27 #include <string> | |
28 | |
29 #include "DASPK.h" | |
30 | |
15039
e753177cde93
maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory
Rik <rik@octave.org>
parents:
14854
diff
changeset
|
31 #include "defun.h" |
3912 | 32 #include "error.h" |
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
21041
diff
changeset
|
33 #include "errwarn.h" |
20940
48b2ad5ee801
maint: Rename oct-obj.[cc|h] to ovl.[cc|h] for clarity.
Rik <rik@octave.org>
parents:
20918
diff
changeset
|
34 #include "ovl.h" |
3912 | 35 #include "ov-fcn.h" |
5729 | 36 #include "ov-cell.h" |
3912 | 37 #include "pager.h" |
23473
55916f99b8b6
prefer feval over do_multi_index_op
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
38 #include "parse.h" |
3912 | 39 #include "unwind-prot.h" |
40 #include "utils.h" | |
41 #include "variables.h" | |
42 | |
3998 | 43 #include "DASPK-opts.cc" |
44 | |
3912 | 45 // Global pointer for user defined function required by daspk. |
46 static octave_function *daspk_fcn; | |
47 | |
4140 | 48 // Global pointer for optional user defined jacobian function. |
49 static octave_function *daspk_jac; | |
50 | |
51 // Have we warned about imaginary values returned from user function? | |
52 static bool warned_fcn_imaginary = false; | |
53 static bool warned_jac_imaginary = false; | |
54 | |
3912 | 55 // Is this a recursive call? |
56 static int call_depth = 0; | |
57 | |
58 ColumnVector | |
59 daspk_user_function (const ColumnVector& x, const ColumnVector& xdot, | |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
60 double t, octave_idx_type& ires) |
3912 | 61 { |
62 ColumnVector retval; | |
63 | |
20229
5dfaaaae784f
Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents:
19697
diff
changeset
|
64 assert (x.numel () == xdot.numel ()); |
3912 | 65 |
66 octave_value_list args; | |
4628 | 67 |
3912 | 68 args(2) = t; |
4628 | 69 args(1) = xdot; |
70 args(0) = x; | |
3912 | 71 |
72 if (daspk_fcn) | |
73 { | |
20725
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
74 octave_value_list tmp; |
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
75 |
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
76 try |
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
77 { |
23473
55916f99b8b6
prefer feval over do_multi_index_op
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
78 tmp = octave::feval (daspk_fcn, args, 1); |
20725
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
79 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
80 catch (octave::execution_exception& e) |
20725
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
81 { |
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
21041
diff
changeset
|
82 err_user_supplied_eval (e, "daspk"); |
20725
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
83 } |
3912 | 84 |
85 int tlen = tmp.length (); | |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
86 if (tlen == 0 || ! tmp(0).is_defined ()) |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
87 err_user_supplied_eval ("daspk"); |
4140 | 88 |
23581
c3075ae020e1
maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents:
23577
diff
changeset
|
89 if (! warned_fcn_imaginary && tmp(0).iscomplex ()) |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
90 { |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
91 warning ("daspk: ignoring imaginary part returned from user-supplied function"); |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
92 warned_fcn_imaginary = true; |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
93 } |
3912 | 94 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
95 retval = tmp(0).vector_value (); |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
96 |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
97 if (tlen > 1) |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
98 ires = tmp(1).idx_type_value (); |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
99 |
23577
80c42f4cca13
maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents:
23576
diff
changeset
|
100 if (retval.isempty ()) |
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
21041
diff
changeset
|
101 err_user_supplied_eval ("daspk"); |
3912 | 102 } |
103 | |
104 return retval; | |
105 } | |
106 | |
4140 | 107 Matrix |
108 daspk_user_jacobian (const ColumnVector& x, const ColumnVector& xdot, | |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
109 double t, double cj) |
4140 | 110 { |
111 Matrix retval; | |
112 | |
20229
5dfaaaae784f
Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents:
19697
diff
changeset
|
113 assert (x.numel () == xdot.numel ()); |
4140 | 114 |
115 octave_value_list args; | |
116 | |
117 args(3) = cj; | |
118 args(2) = t; | |
4628 | 119 args(1) = xdot; |
120 args(0) = x; | |
4140 | 121 |
122 if (daspk_jac) | |
123 { | |
20725
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
124 octave_value_list tmp; |
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
125 |
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
126 try |
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
127 { |
23473
55916f99b8b6
prefer feval over do_multi_index_op
John W. Eaton <jwe@octave.org>
parents:
23220
diff
changeset
|
128 tmp = octave::feval (daspk_jac, args, 1); |
20725
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
129 } |
22327
d0562b3159c7
move more classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
22323
diff
changeset
|
130 catch (octave::execution_exception& e) |
20725
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
131 { |
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
21041
diff
changeset
|
132 err_user_supplied_eval (e, "daspk"); |
20725
7164a69472dd
eliminate more uses of error state
John W. Eaton <jwe@octave.org>
parents:
20711
diff
changeset
|
133 } |
4140 | 134 |
135 int tlen = tmp.length (); | |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
136 if (tlen == 0 || ! tmp(0).is_defined ()) |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
137 err_user_supplied_eval ("daspk"); |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
138 |
23581
c3075ae020e1
maint: Deprecate is_complex_type and replace with iscomplex.
Rik <rik@octave.org>
parents:
23577
diff
changeset
|
139 if (! warned_jac_imaginary && tmp(0).iscomplex ()) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
140 { |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
141 warning ("daspk: ignoring imaginary part returned from user-supplied jacobian function"); |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
142 warned_jac_imaginary = true; |
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
143 } |
4140 | 144 |
21118
3ac9f47fb04b
Invert pattern if/code/else/err_XXX to if !/err_XXX/code.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
145 retval = tmp(0).matrix_value (); |
4140 | 146 |
23577
80c42f4cca13
maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents:
23576
diff
changeset
|
147 if (retval.isempty ()) |
21100
e39e05d90788
Switch gripe_XXX to either err_XXX or warn_XXX naming scheme.
Rik <rik@octave.org>
parents:
21041
diff
changeset
|
148 err_user_supplied_eval ("daspk"); |
4140 | 149 } |
150 | |
151 return retval; | |
152 } | |
153 | |
23699
b29904962d2d
deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents:
23581
diff
changeset
|
154 DEFMETHOD (daspk, interp, args, nargout, |
b29904962d2d
deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents:
23581
diff
changeset
|
155 doc: /* -*- texinfo -*- |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
156 @deftypefn {} {[@var{x}, @var{xdot}, @var{istate}, @var{msg}] =} daspk (@var{fcn}, @var{x_0}, @var{xdot_0}, @var{t}, @var{t_crit}) |
25106
d7ad543255c5
doc: Shorten very long first sentences of docstrings (bug #53388).
Rik <rik@octave.org>
parents:
25054
diff
changeset
|
157 Solve a set of differential-algebraic equations. |
d7ad543255c5
doc: Shorten very long first sentences of docstrings (bug #53388).
Rik <rik@octave.org>
parents:
25054
diff
changeset
|
158 |
d7ad543255c5
doc: Shorten very long first sentences of docstrings (bug #53388).
Rik <rik@octave.org>
parents:
25054
diff
changeset
|
159 @code{daspk} solves the set of equations |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
160 @tex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
161 $$ 0 = f (x, \dot{x}, t) $$ |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
162 with |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
163 $$ x(t_0) = x_0, \dot{x}(t_0) = \dot{x}_0 $$ |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
164 @end tex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
165 @ifnottex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
166 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
167 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
168 0 = f (x, xdot, t) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
169 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
170 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
171 @noindent |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
172 with |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
173 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
174 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
175 x(t_0) = x_0, xdot(t_0) = xdot_0 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
176 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
177 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
178 @end ifnottex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
179 The solution is returned in the matrices @var{x} and @var{xdot}, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
180 with each row in the result matrices corresponding to one of the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
181 elements in the vector @var{t}. The first element of @var{t} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
182 should be @math{t_0} and correspond to the initial state of the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
183 system @var{x_0} and its derivative @var{xdot_0}, so that the first |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
184 row of the output @var{x} is @var{x_0} and the first row |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
185 of the output @var{xdot} is @var{xdot_0}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
186 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
187 The first argument, @var{fcn}, is a string, inline, or function handle |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
188 that names the function @math{f} to call to compute the vector of |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
189 residuals for the set of equations. It must have the form |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
190 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
191 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
192 @var{res} = f (@var{x}, @var{xdot}, @var{t}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
193 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
194 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
195 @noindent |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
196 in which @var{x}, @var{xdot}, and @var{res} are vectors, and @var{t} is a |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
197 scalar. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
198 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
199 If @var{fcn} is a two-element string array or a two-element cell array |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
200 of strings, inline functions, or function handles, the first element names |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
201 the function @math{f} described above, and the second element names a |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
202 function to compute the modified Jacobian |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
203 @tex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
204 $$ |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
205 J = {\partial f \over \partial x} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
206 + c {\partial f \over \partial \dot{x}} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
207 $$ |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
208 @end tex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
209 @ifnottex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
210 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
211 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
212 @group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
213 df df |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
214 jac = -- + c ------ |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
215 dx d xdot |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
216 @end group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
217 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
218 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
219 @end ifnottex |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
220 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
221 The modified Jacobian function must have the form |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
222 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
223 @example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
224 @group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
225 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
226 @var{jac} = j (@var{x}, @var{xdot}, @var{t}, @var{c}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
227 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
228 @end group |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
229 @end example |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
230 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
231 The second and third arguments to @code{daspk} specify the initial |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
232 condition of the states and their derivatives, and the fourth argument |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
233 specifies a vector of output times at which the solution is desired, |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
234 including the time corresponding to the initial condition. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
235 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
236 The set of initial states and derivatives are not strictly required to |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
237 be consistent. If they are not consistent, you must use the |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
238 @code{daspk_options} function to provide additional information so |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
239 that @code{daspk} can compute a consistent starting point. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
240 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
241 The fifth argument is optional, and may be used to specify a set of |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
242 times that the DAE solver should not integrate past. It is useful for |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
243 avoiding difficulties with singularities and points where there is a |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
244 discontinuity in the derivative. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
245 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
246 After a successful computation, the value of @var{istate} will be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
247 greater than zero (consistent with the Fortran version of @sc{daspk}). |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
248 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
249 If the computation is not successful, the value of @var{istate} will be |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
250 less than zero and @var{msg} will contain additional information. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
251 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
252 You can use the function @code{daspk_options} to set optional |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
253 parameters for @code{daspk}. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
254 @seealso{dassl} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21743
diff
changeset
|
255 @end deftypefn */) |
3912 | 256 { |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20892
diff
changeset
|
257 int nargin = args.length (); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20892
diff
changeset
|
258 |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20892
diff
changeset
|
259 if (nargin < 4 || nargin > 5) |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20892
diff
changeset
|
260 print_usage (); |
3912 | 261 |
4140 | 262 warned_fcn_imaginary = false; |
263 warned_jac_imaginary = false; | |
264 | |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20892
diff
changeset
|
265 octave_value_list retval (4); |
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20892
diff
changeset
|
266 |
21743
f4d7d0eb5b0c
use namespace for unwind_protect class
John W. Eaton <jwe@octave.org>
parents:
21724
diff
changeset
|
267 octave::unwind_protect frame; |
3912 | 268 |
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9377
diff
changeset
|
269 frame.protect_var (call_depth); |
3912 | 270 call_depth++; |
271 | |
23699
b29904962d2d
deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents:
23581
diff
changeset
|
272 octave::symbol_table& symtab = interp.get_symbol_table (); |
b29904962d2d
deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents:
23581
diff
changeset
|
273 |
3912 | 274 if (call_depth > 1) |
20957
9db35d2042be
maint: eliminate special cases of statements after error.
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
275 error ("daspk: invalid recursive call"); |
3912 | 276 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
277 std::string fcn_name, fname, jac_name, jname; |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23699
diff
changeset
|
278 daspk_fcn = nullptr; |
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23699
diff
changeset
|
279 daspk_jac = nullptr; |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
280 |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
281 octave_value f_arg = args(0); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
282 |
23576
00e518162fda
maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents:
23473
diff
changeset
|
283 if (f_arg.iscell ()) |
3912 | 284 { |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
285 Cell c = f_arg.cell_value (); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
286 if (c.numel () == 1) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
287 f_arg = c(0); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
288 else if (c.numel () == 2) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
289 { |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
290 if (c(0).is_function_handle () || c(0).is_inline_function ()) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
291 daspk_fcn = c(0).function_value (); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
292 else |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
293 { |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
294 fcn_name = unique_symbol_name ("__daspk_fcn__"); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
295 fname = "function y = "; |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
296 fname.append (fcn_name); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
297 fname.append (" (x, xdot, t) y = "); |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
298 daspk_fcn = extract_function (c(0), "daspk", fcn_name, |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
299 fname, "; endfunction"); |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
300 } |
4140 | 301 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
302 if (daspk_fcn) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
303 { |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
304 if (c(1).is_function_handle () || c(1).is_inline_function ()) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
305 daspk_jac = c(1).function_value (); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
306 else |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
307 { |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
308 jac_name = unique_symbol_name ("__daspk_jac__"); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
309 jname = "function jac = "; |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
310 jname.append (jac_name); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
311 jname.append (" (x, xdot, t, cj) jac = "); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
312 daspk_jac = extract_function (c(1), "daspk", jac_name, |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
313 jname, "; endfunction"); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
314 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20892
diff
changeset
|
315 if (! daspk_jac) |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
316 { |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
317 if (fcn_name.length ()) |
23699
b29904962d2d
deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents:
23581
diff
changeset
|
318 symtab.clear_function (fcn_name); |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23699
diff
changeset
|
319 daspk_fcn = nullptr; |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
320 } |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
321 } |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
322 } |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
323 } |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
324 else |
20957
9db35d2042be
maint: eliminate special cases of statements after error.
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
325 error ("daspk: incorrect number of elements in cell array"); |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
326 } |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
327 |
23576
00e518162fda
maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents:
23473
diff
changeset
|
328 if (! daspk_fcn && ! f_arg.iscell ()) |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
329 { |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
330 if (f_arg.is_function_handle () || f_arg.is_inline_function ()) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
331 daspk_fcn = f_arg.function_value (); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
332 else |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
333 { |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
334 switch (f_arg.rows ()) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
335 { |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
336 case 1: |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
337 do |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
338 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
339 fcn_name = unique_symbol_name ("__daspk_fcn__"); |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
340 fname = "function y = "; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
341 fname.append (fcn_name); |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
342 fname.append (" (x, xdot, t) y = "); |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
343 daspk_fcn = extract_function (f_arg, "daspk", fcn_name, |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
344 fname, "; endfunction"); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
345 } |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
346 while (0); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
347 break; |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
348 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
349 case 2: |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
350 { |
20990
fc9cca99b2de
Deprecate all_strings, replace with string_vector_value.
Rik <rik@octave.org>
parents:
20974
diff
changeset
|
351 string_vector tmp = f_arg.string_vector_value (); |
3912 | 352 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
353 fcn_name = unique_symbol_name ("__daspk_fcn__"); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
354 fname = "function y = "; |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
355 fname.append (fcn_name); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
356 fname.append (" (x, xdot, t) y = "); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
357 daspk_fcn = extract_function (tmp(0), "daspk", fcn_name, |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
358 fname, "; endfunction"); |
4140 | 359 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
360 if (daspk_fcn) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
361 { |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
362 jac_name = unique_symbol_name ("__daspk_jac__"); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
363 jname = "function jac = "; |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
364 jname.append (jac_name); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
365 jname.append (" (x, xdot, t, cj) jac = "); |
22407
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
366 daspk_jac = extract_function (tmp(1), "daspk", jac_name, |
34ce5be04942
maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents:
22327
diff
changeset
|
367 jname, "; endfunction"); |
5729 | 368 |
20918
6f0bd96f93c0
maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
parents:
20892
diff
changeset
|
369 if (! daspk_jac) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
370 { |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
371 if (fcn_name.length ()) |
23699
b29904962d2d
deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents:
23581
diff
changeset
|
372 symtab.clear_function (fcn_name); |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23699
diff
changeset
|
373 daspk_fcn = nullptr; |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
374 } |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
375 } |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
376 } |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
377 } |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
10066
diff
changeset
|
378 } |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
379 } |
4140 | 380 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
381 if (! daspk_fcn) |
20957
9db35d2042be
maint: eliminate special cases of statements after error.
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
382 return retval; |
3912 | 383 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
384 ColumnVector state = args(1).xvector_value ("daspk: initial state X_0 must be a vector"); |
3912 | 385 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
386 ColumnVector deriv = args(2).xvector_value ("daspk: initial derivatives XDOT_0 must be a vector"); |
3912 | 387 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
388 ColumnVector out_times = args(3).xvector_value ("daspk: output time variable T must be a vector"); |
3912 | 389 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
390 ColumnVector crit_times; |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
391 int crit_times_set = 0; |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
392 if (nargin > 4) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
393 { |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
394 crit_times = args(4).xvector_value ("daspk: list of critical times T_CRIT must be a vector"); |
3912 | 395 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
396 crit_times_set = 1; |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
397 } |
3912 | 398 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
399 if (state.numel () != deriv.numel ()) |
20957
9db35d2042be
maint: eliminate special cases of statements after error.
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
400 error ("daspk: X_0 and XDOT_0 must have the same size"); |
4140 | 401 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
402 double tzero = out_times (0); |
3912 | 403 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
404 DAEFunc func (daspk_user_function); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
405 if (daspk_jac) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
406 func.set_jacobian_function (daspk_user_jacobian); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
407 |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
408 DASPK dae (state, deriv, tzero, func); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
409 dae.set_options (daspk_opts); |
3912 | 410 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
411 Matrix output; |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
412 Matrix deriv_output; |
3912 | 413 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
414 if (crit_times_set) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
415 output = dae.integrate (out_times, deriv_output, crit_times); |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
416 else |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
417 output = dae.integrate (out_times, deriv_output); |
3997 | 418 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
419 if (fcn_name.length ()) |
23699
b29904962d2d
deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents:
23581
diff
changeset
|
420 symtab.clear_function (fcn_name); |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
421 if (jac_name.length ()) |
23699
b29904962d2d
deprecate some global functions that access the symbol table
John W. Eaton <jwe@octave.org>
parents:
23581
diff
changeset
|
422 symtab.clear_function (jac_name); |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
423 |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
424 std::string msg = dae.error_message (); |
3912 | 425 |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
426 if (dae.integration_ok ()) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
427 { |
20892 | 428 retval(0) = output; |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
429 retval(1) = deriv_output; |
3912 | 430 } |
431 else | |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
432 { |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
433 if (nargout < 3) |
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
434 error ("daspk: %s", msg.c_str ()); |
20892 | 435 |
436 retval(0) = Matrix (); | |
437 retval(1) = Matrix (); | |
20802
8bb38ba1bad6
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20785
diff
changeset
|
438 } |
3912 | 439 |
20892 | 440 retval(2) = static_cast<double> (dae.integration_state ()); |
441 retval(3) = msg; | |
442 | |
3912 | 443 return retval; |
444 } |