|
3990
|
1 /* |
|
|
2 |
|
|
3 Copyright (C) 2002 John W. Eaton |
|
|
4 |
|
|
5 This file is part of Octave. |
|
|
6 |
|
|
7 Octave is free software; you can redistribute it and/or modify it |
|
|
8 under the terms of the GNU General Public License as published by the |
|
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
|
10 later version. |
|
|
11 |
|
|
12 Octave is distributed in the hope that it will be useful, but WITHOUT |
|
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
|
15 for more details. |
|
|
16 |
|
|
17 You should have received a copy of the GNU General Public License |
|
|
18 along with Octave; see the file COPYING. If not, write to the Free |
|
|
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|
|
20 |
|
|
21 */ |
|
|
22 |
|
|
23 #ifdef HAVE_CONFIG_H |
|
|
24 #include <config.h> |
|
|
25 #endif |
|
|
26 |
|
|
27 #include <string> |
|
|
28 |
|
|
29 #include <iostream.h> |
|
|
30 |
|
|
31 #include "DASRT.h" |
|
|
32 #include "lo-mappers.h" |
|
|
33 |
|
|
34 #include "defun-dld.h" |
|
|
35 #include "error.h" |
|
|
36 #include "gripes.h" |
|
|
37 #include "oct-obj.h" |
|
|
38 #include "ov-fcn.h" |
|
|
39 #include "pager.h" |
|
|
40 #include "parse.h" |
|
|
41 #include "unwind-prot.h" |
|
|
42 #include "utils.h" |
|
|
43 #include "variables.h" |
|
|
44 |
|
|
45 // Global pointers for user defined function required by dassl. |
|
|
46 static octave_function *dasrt_f; |
|
|
47 static octave_function *dasrt_j; |
|
|
48 static octave_function *dasrt_cf; |
|
|
49 |
|
|
50 static DASRT_options dasrt_opts; |
|
|
51 |
|
|
52 // Is this a recursive call? |
|
|
53 static int call_depth = 0; |
|
|
54 |
|
|
55 static ColumnVector |
|
|
56 dasrt_user_f (const ColumnVector& x, const ColumnVector& xprime, |
|
3993
|
57 double t, int& ires) |
|
3990
|
58 { |
|
|
59 ColumnVector retval; |
|
|
60 |
|
|
61 octave_value_list args; |
|
|
62 |
|
|
63 int n = x.length (); |
|
|
64 |
|
3993
|
65 args(2) = t; |
|
|
66 |
|
3990
|
67 if (n > 1) |
|
|
68 { |
|
3993
|
69 args(1) = xprime; |
|
3990
|
70 args(0) = x; |
|
|
71 } |
|
|
72 else if (n == 1) |
|
|
73 { |
|
3993
|
74 args(1) = xprime(0); |
|
3990
|
75 args(0) = x(0); |
|
|
76 } |
|
|
77 else |
|
|
78 { |
|
3993
|
79 args(1) = Matrix (); |
|
3990
|
80 args(0) = Matrix (); |
|
|
81 } |
|
|
82 |
|
|
83 if (dasrt_f) |
|
|
84 { |
|
|
85 octave_value_list tmp = dasrt_f->do_multi_index_op (1, args); |
|
|
86 |
|
|
87 if (error_state) |
|
|
88 { |
|
|
89 gripe_user_supplied_eval ("dasrt"); |
|
|
90 return retval; |
|
|
91 } |
|
|
92 |
|
|
93 if (tmp.length () > 0 && tmp(0).is_defined ()) |
|
|
94 { |
|
|
95 retval = ColumnVector (tmp(0).vector_value ()); |
|
|
96 |
|
|
97 if (error_state || retval.length () == 0) |
|
|
98 gripe_user_supplied_eval ("dasrt"); |
|
|
99 } |
|
|
100 else |
|
|
101 gripe_user_supplied_eval ("dasrt"); |
|
|
102 } |
|
|
103 |
|
|
104 return retval; |
|
|
105 } |
|
|
106 |
|
|
107 static ColumnVector |
|
|
108 dasrt_user_cf (const ColumnVector& x, double t) |
|
|
109 { |
|
|
110 ColumnVector retval; |
|
|
111 |
|
|
112 octave_value_list args; |
|
|
113 |
|
|
114 int n = x.length (); |
|
|
115 |
|
|
116 if (n > 1) |
|
|
117 args(0) = x; |
|
|
118 else if (n == 1) |
|
|
119 args(0) = x(0); |
|
|
120 else |
|
|
121 args(0) = Matrix (); |
|
|
122 |
|
|
123 args(1) = t; |
|
|
124 |
|
|
125 if (dasrt_cf) |
|
|
126 { |
|
|
127 octave_value_list tmp = dasrt_cf->do_multi_index_op (1, args); |
|
|
128 |
|
|
129 if (error_state) |
|
|
130 { |
|
|
131 gripe_user_supplied_eval ("dasrt"); |
|
|
132 return retval; |
|
|
133 } |
|
|
134 |
|
|
135 if (tmp.length () > 0 && tmp(0).is_defined ()) |
|
|
136 { |
|
|
137 retval = ColumnVector (tmp(0).vector_value ()); |
|
|
138 |
|
|
139 if (error_state || retval.length () == 0) |
|
|
140 gripe_user_supplied_eval ("dasrt"); |
|
|
141 } |
|
|
142 else |
|
|
143 gripe_user_supplied_eval ("dasrt"); |
|
|
144 } |
|
|
145 |
|
|
146 return retval; |
|
|
147 } |
|
|
148 |
|
|
149 static Matrix |
|
3993
|
150 dasrt_user_j (const ColumnVector& x, const ColumnVector& xdot, |
|
|
151 double t, double cj) |
|
3990
|
152 { |
|
|
153 Matrix retval; |
|
|
154 |
|
3993
|
155 int nstates = x.capacity (); |
|
|
156 |
|
|
157 assert (nstates == xdot.capacity ()); |
|
3990
|
158 |
|
3993
|
159 octave_value_list args; |
|
|
160 |
|
|
161 args(3) = cj; |
|
|
162 args(2) = t; |
|
3990
|
163 |
|
3993
|
164 if (nstates > 1) |
|
|
165 { |
|
|
166 Matrix m1 (nstates, 1); |
|
|
167 Matrix m2 (nstates, 1); |
|
|
168 for (int i = 0; i < nstates; i++) |
|
|
169 { |
|
|
170 m1 (i, 0) = x (i); |
|
|
171 m2 (i, 0) = xdot (i); |
|
|
172 } |
|
|
173 octave_value state (m1); |
|
|
174 octave_value deriv (m2); |
|
|
175 args(1) = deriv; |
|
|
176 args(0) = state; |
|
|
177 } |
|
|
178 else |
|
|
179 { |
|
|
180 double d1 = x (0); |
|
|
181 double d2 = xdot (0); |
|
|
182 octave_value state (d1); |
|
|
183 octave_value deriv (d2); |
|
|
184 args(1) = deriv; |
|
|
185 args(0) = state; |
|
|
186 } |
|
3990
|
187 |
|
3993
|
188 if (dasrt_j) |
|
|
189 { |
|
|
190 octave_value_list tmp = dasrt_j->do_multi_index_op (1, args); |
|
3990
|
191 |
|
|
192 if (error_state) |
|
|
193 { |
|
|
194 gripe_user_supplied_eval ("dasrt"); |
|
|
195 return retval; |
|
|
196 } |
|
|
197 |
|
3993
|
198 int tlen = tmp.length (); |
|
|
199 if (tlen > 0 && tmp(0).is_defined ()) |
|
3990
|
200 { |
|
|
201 retval = tmp(0).matrix_value (); |
|
|
202 |
|
|
203 if (error_state || retval.length () == 0) |
|
|
204 gripe_user_supplied_eval ("dasrt"); |
|
|
205 } |
|
|
206 else |
|
|
207 gripe_user_supplied_eval ("dasrt"); |
|
|
208 } |
|
|
209 |
|
|
210 return retval; |
|
|
211 } |
|
|
212 |
|
|
213 #define DASRT_ABORT \ |
|
|
214 do \ |
|
|
215 { \ |
|
|
216 unwind_protect::run_frame ("Fdasrt"); \ |
|
|
217 return retval; \ |
|
|
218 } \ |
|
|
219 while (0) |
|
|
220 |
|
|
221 #define DASRT_ABORT1(msg) \ |
|
|
222 do \ |
|
|
223 { \ |
|
|
224 ::error ("dasrt: " ## msg); \ |
|
|
225 DASRT_ABORT; \ |
|
|
226 } \ |
|
|
227 while (0) |
|
|
228 |
|
|
229 #define DASRT_ABORT2(fmt, arg) \ |
|
|
230 do \ |
|
|
231 { \ |
|
|
232 ::error ("dasrt: " ## fmt, arg); \ |
|
|
233 DASRT_ABORT; \ |
|
|
234 } \ |
|
|
235 while (0) |
|
|
236 |
|
|
237 DEFUN_DLD (dasrt, args, , |
|
|
238 "-*- texinfo -*-\n\ |
|
|
239 @deftypefn {Loadable Function} {[@var{x}, @var{xdot}, @var{t}] =} dasrt (@var{fj} [, @var{g}], @var{x_0}, @var{xdot_0}, @var{t_out} [, @var{t_crit}])\n\ |
|
|
240 Solve a system of differential/algebraic equations with functional\n\ |
|
|
241 stopping criteria.\n\ |
|
|
242 \n\ |
|
|
243 The function to be integrated must be of the form:\n\ |
|
|
244 @example\n\ |
|
|
245 @var{res} = f (@var{x}, @var{xdot}, @var{t}) = 0\n\ |
|
|
246 @end example\n\ |
|
|
247 \n\ |
|
|
248 The stopping condition must be of the form:\n\ |
|
|
249 \n\ |
|
|
250 @example\n\ |
|
|
251 @var{res} = g (@var{x}, @var{t}) = 0\n\ |
|
|
252 @end example\n\ |
|
|
253 \n\ |
|
|
254 The Jacobian (if included) must be of the form:\n\ |
|
|
255 \n\ |
|
|
256 @example\n\ |
|
|
257 @var{jac} = j (@var{x}, @var{xdot}, @var{t}, @var{cj})\n\ |
|
|
258 = df/dx + cj*df/dxdot\n\ |
|
|
259 @end example\n\ |
|
|
260 \n\ |
|
|
261 @noindent\n\ |
|
|
262 The following inputs are entered:\n\ |
|
|
263 \n\ |
|
|
264 @table @var\n\ |
|
|
265 @item fj\n\ |
|
|
266 The string vector containing either @var{f} or both @var{f} and @var{j}.\n\ |
|
|
267 \n\ |
|
|
268 @item f\n\ |
|
|
269 The function to be integrated.\n\ |
|
|
270 \n\ |
|
|
271 @item g\n\ |
|
|
272 The function with the stopping conditions.\n\ |
|
|
273 \n\ |
|
|
274 @item j\n\ |
|
|
275 The optional Jacobian function. If not included, it will be approximated\n\ |
|
|
276 by finite differences.\n\ |
|
|
277 \n\ |
|
|
278 @item x_0\n\ |
|
|
279 The initial state.\n\ |
|
|
280 \n\ |
|
|
281 @item xdot_0\n\ |
|
|
282 The time derivative of the initial state.\n\ |
|
|
283 \n\ |
|
|
284 @item t_out\n\ |
|
|
285 The times at which the solution should be returned. This vector should\n\ |
|
|
286 include the initial time a the first value.\n\ |
|
|
287 \n\ |
|
|
288 @item t_crit\n\ |
|
|
289 The times at which the function is non-smooth or poorly behaved.\n\ |
|
|
290 \n\ |
|
|
291 @end table\n\ |
|
|
292 \n\ |
|
|
293 @noindent\n\ |
|
|
294 The following outputs are returned:\n\ |
|
|
295 \n\ |
|
|
296 @table @var\n\ |
|
|
297 @item x\n\ |
|
|
298 The states at each time in @var{t}.\n\ |
|
|
299 \n\ |
|
|
300 @item xdot\n\ |
|
|
301 The time derivative of the states at each time in @var{t}.\n\ |
|
|
302 \n\ |
|
|
303 @item t\n\ |
|
|
304 All the times in the requested output time vector up to the stopping\n\ |
|
|
305 criteria. The time at which the stopping criteria is achieved is returned\n\ |
|
|
306 as the last time in the vector.\n\ |
|
|
307 @end table\n\ |
|
|
308 \n\ |
|
|
309 You can use the function @code{dasrt_options} to set optional\n\ |
|
|
310 parameters for @code{dasrt}.\n\ |
|
|
311 @end deftypefn") |
|
|
312 { |
|
|
313 octave_value_list retval; |
|
|
314 |
|
|
315 unwind_protect::begin_frame ("Fdasrt"); |
|
|
316 |
|
|
317 unwind_protect_int (call_depth); |
|
|
318 call_depth++; |
|
|
319 |
|
|
320 if (call_depth > 1) |
|
|
321 DASRT_ABORT1 ("invalid recursive call"); |
|
|
322 |
|
|
323 int argp = 0; |
|
|
324 |
|
|
325 int nargin = args.length (); |
|
|
326 |
|
|
327 if (nargin < 4 || nargin > 6) |
|
|
328 { |
|
|
329 print_usage ("dasrt"); |
|
|
330 unwind_protect::run_frame ("Fdasrt"); |
|
|
331 return retval; |
|
|
332 } |
|
|
333 |
|
|
334 dasrt_f = 0; |
|
|
335 dasrt_j = 0; |
|
|
336 dasrt_cf = 0; |
|
|
337 |
|
|
338 // Check all the arguments. Are they the right animals? |
|
|
339 |
|
|
340 // Here's where I take care of f and j in one shot: |
|
|
341 |
|
|
342 octave_value f_arg = args(0); |
|
|
343 |
|
|
344 switch (f_arg.rows ()) |
|
|
345 { |
|
|
346 case 1: |
|
|
347 dasrt_f = extract_function |
|
|
348 (args(0), "dasrt", "__dasrt_fcn__", |
|
|
349 "function res = __dasrt_fcn__ (x, xdot, t) res = ", |
|
|
350 "; endfunction"); |
|
|
351 break; |
|
|
352 |
|
|
353 case 2: |
|
|
354 { |
|
|
355 string_vector tmp = args(0).all_strings (); |
|
|
356 |
|
|
357 if (! error_state) |
|
|
358 { |
|
|
359 dasrt_f = extract_function |
|
|
360 (tmp(0), "dasrt", "__dasrt_fcn__", |
|
|
361 "function res = __dasrt_fcn__ (x, xdot, t) res = ", |
|
|
362 "; endfunction"); |
|
|
363 |
|
|
364 if (dasrt_f) |
|
|
365 { |
|
|
366 dasrt_j = extract_function |
|
|
367 (tmp(1), "dasrt", "__dasrt_jac__", |
|
|
368 "function jac = __dasrt_jac__ (x, xdot, t, cj) jac = ", |
|
|
369 "; endfunction"); |
|
|
370 |
|
|
371 if (! dasrt_j) |
|
|
372 dasrt_f = 0; |
|
|
373 } |
|
|
374 } |
|
|
375 } |
|
|
376 break; |
|
|
377 |
|
|
378 default: |
|
|
379 DASRT_ABORT1 |
|
|
380 ("first arg should be a string or 2-element string array"); |
|
|
381 } |
|
|
382 |
|
|
383 if (error_state || (! dasrt_f)) |
|
|
384 DASRT_ABORT; |
|
|
385 |
|
|
386 DAERTFunc func (dasrt_user_f); |
|
|
387 |
|
|
388 argp++; |
|
|
389 |
|
|
390 if (args(1).is_string ()) |
|
|
391 { |
|
|
392 dasrt_cf = is_valid_function (args(1), "dasrt", true); |
|
|
393 |
|
|
394 if (! dasrt_cf) |
|
3992
|
395 DASRT_ABORT1 ("expecting function name as argument 2"); |
|
3990
|
396 |
|
|
397 argp++; |
|
|
398 |
|
|
399 func.set_constraint_function (dasrt_user_cf); |
|
|
400 } |
|
|
401 |
|
|
402 ColumnVector state (args(argp++).vector_value ()); |
|
|
403 |
|
|
404 if (error_state) |
|
|
405 DASRT_ABORT2 ("expecting state vector as argument %d", argp); |
|
|
406 |
|
3992
|
407 ColumnVector stateprime (args(argp++).vector_value ()); |
|
3990
|
408 |
|
|
409 if (error_state) |
|
|
410 DASRT_ABORT2 |
|
|
411 ("expecting time derivative of state vector as argument %d", argp); |
|
|
412 |
|
3994
|
413 ColumnVector out_times (args(argp++).vector_value ()); |
|
3990
|
414 |
|
|
415 if (error_state) |
|
|
416 DASRT_ABORT2 |
|
|
417 ("expecting output time vector as %s argument %d", argp); |
|
|
418 |
|
3994
|
419 double tzero = out_times (0); |
|
3990
|
420 |
|
|
421 ColumnVector crit_times; |
|
|
422 |
|
|
423 bool crit_times_set = false; |
|
|
424 |
|
|
425 if (argp < nargin) |
|
|
426 { |
|
|
427 crit_times = ColumnVector (args(argp++).vector_value ()); |
|
|
428 |
|
|
429 if (error_state) |
|
|
430 DASRT_ABORT2 |
|
|
431 ("expecting critical time vector as argument %d", argp); |
|
|
432 |
|
|
433 crit_times_set = true; |
|
|
434 } |
|
|
435 |
|
|
436 if (dasrt_j) |
|
|
437 func.set_jacobian_function (dasrt_user_j); |
|
|
438 |
|
|
439 DASRT_result output; |
|
|
440 |
|
3992
|
441 DASRT dae = DASRT (state, stateprime, tzero, func); |
|
3990
|
442 |
|
|
443 dae.copy (dasrt_opts); |
|
|
444 |
|
|
445 if (error_state) |
|
|
446 DASRT_ABORT1 ("something is wrong"); |
|
|
447 |
|
|
448 if (crit_times_set) |
|
|
449 output = dae.integrate (out_times, crit_times); |
|
|
450 else |
|
|
451 output = dae.integrate (out_times); |
|
|
452 |
|
|
453 if (! error_state) |
|
|
454 { |
|
3994
|
455 retval(2) = output.times (); |
|
|
456 retval(1) = output.deriv (); |
|
|
457 retval(0) = output.state (); |
|
3990
|
458 } |
|
|
459 else |
|
|
460 { |
|
|
461 DASRT_ABORT1("something wicked has occurred!"); |
|
|
462 // print_usage ("dasrt"); |
|
|
463 } |
|
|
464 |
|
|
465 unwind_protect::run_frame ("Fdasrt"); |
|
|
466 |
|
|
467 return retval; |
|
|
468 } |
|
|
469 |
|
|
470 typedef void (DASRT_options::*d_set_opt_mf) (double); |
|
|
471 typedef void (DASRT_options::*i_set_opt_mf) (int); |
|
|
472 typedef double (DASRT_options::*d_get_opt_mf) (void); |
|
|
473 typedef int (DASRT_options::*i_get_opt_mf) (void); |
|
|
474 |
|
|
475 #define MAX_TOKENS 3 |
|
|
476 |
|
|
477 struct DASRT_OPTIONS |
|
|
478 { |
|
|
479 const char *keyword; |
|
|
480 const char *kw_tok[MAX_TOKENS + 1]; |
|
|
481 int min_len[MAX_TOKENS + 1]; |
|
|
482 int min_toks_to_match; |
|
|
483 d_set_opt_mf d_set_fcn; |
|
|
484 i_set_opt_mf i_set_fcn; |
|
|
485 d_get_opt_mf d_get_fcn; |
|
|
486 i_get_opt_mf i_get_fcn; |
|
|
487 }; |
|
|
488 |
|
|
489 static DASRT_OPTIONS dasrt_option_table [] = |
|
|
490 { |
|
|
491 { "absolute tolerance", |
|
|
492 { "absolute", "tolerance", 0, 0, }, |
|
|
493 { 1, 0, 0, 0, }, 1, |
|
|
494 &DASRT_options::set_absolute_tolerance, 0, |
|
|
495 &DASRT_options::absolute_tolerance, 0, }, |
|
|
496 |
|
|
497 { "initial step size", |
|
|
498 { "initial", "step", "size", 0, }, |
|
|
499 { 1, 0, 0, 0, }, 1, |
|
|
500 &DASRT_options::set_initial_step_size, 0, |
|
|
501 &DASRT_options::initial_step_size, 0, }, |
|
|
502 |
|
|
503 { "maximum step size", |
|
|
504 { "maximum", "step", "size", 0, }, |
|
|
505 { 2, 0, 0, 0, }, 1, |
|
|
506 &DASRT_options::set_maximum_step_size, 0, |
|
|
507 &DASRT_options::maximum_step_size, 0, }, |
|
|
508 |
|
|
509 { "minimum step size", |
|
|
510 { "minimum", "step", "size", 0, }, |
|
|
511 { 2, 0, 0, 0, }, 1, |
|
|
512 &DASRT_options::set_minimum_step_size, 0, |
|
|
513 &DASRT_options::minimum_step_size, 0, }, |
|
|
514 |
|
|
515 { "relative tolerance", |
|
|
516 { "relative", "tolerance", 0, 0, }, |
|
|
517 { 1, 0, 0, 0, }, 1, |
|
|
518 &DASRT_options::set_relative_tolerance, 0, |
|
|
519 &DASRT_options::relative_tolerance, 0, }, |
|
|
520 |
|
|
521 { "step limit", |
|
|
522 { "step", "limit", 0, 0, }, |
|
|
523 { 1, 0, 0, 0, }, 1, |
|
|
524 0, &DASRT_options::set_step_limit, |
|
|
525 0, &DASRT_options::step_limit, }, |
|
|
526 |
|
|
527 { 0, |
|
|
528 { 0, 0, 0, 0, }, |
|
|
529 { 0, 0, 0, 0, }, 0, |
|
|
530 0, 0, 0, 0, }, |
|
|
531 }; |
|
|
532 |
|
|
533 static void |
|
|
534 print_dasrt_option_list (ostream& os) |
|
|
535 { |
|
|
536 print_usage ("dasrt_options", 1); |
|
|
537 |
|
|
538 os << "\n" |
|
|
539 << "Options for dasrt include:\n\n" |
|
|
540 << " keyword value\n" |
|
|
541 << " ------- -----\n\n"; |
|
|
542 |
|
|
543 DASRT_OPTIONS *list = dasrt_option_table; |
|
|
544 |
|
|
545 const char *keyword; |
|
|
546 while ((keyword = list->keyword) != 0) |
|
|
547 { |
|
|
548 os.form (" %-40s ", keyword); |
|
|
549 |
|
|
550 if (list->d_get_fcn) |
|
|
551 { |
|
|
552 double val = (dasrt_opts.*list->d_get_fcn) (); |
|
|
553 if (val < 0.0) |
|
|
554 os << "computed automatically"; |
|
|
555 else |
|
|
556 os << val; |
|
|
557 } |
|
|
558 else |
|
|
559 { |
|
|
560 int val = (dasrt_opts.*list->i_get_fcn) (); |
|
|
561 if (val < 0) |
|
|
562 os << "computed automatically"; |
|
|
563 else |
|
|
564 os << val; |
|
|
565 } |
|
|
566 os << "\n"; |
|
|
567 list++; |
|
|
568 } |
|
|
569 |
|
|
570 os << "\n"; |
|
|
571 } |
|
|
572 |
|
|
573 static void |
|
|
574 set_dasrt_option (const string& keyword, double val) |
|
|
575 { |
|
|
576 DASRT_OPTIONS *list = dasrt_option_table; |
|
|
577 |
|
|
578 while (list->keyword != 0) |
|
|
579 { |
|
|
580 if (keyword_almost_match (list->kw_tok, list->min_len, keyword, |
|
|
581 list->min_toks_to_match, MAX_TOKENS)) |
|
|
582 { |
|
|
583 if (list->d_set_fcn) |
|
|
584 (dasrt_opts.*list->d_set_fcn) (val); |
|
|
585 else |
|
|
586 { |
|
|
587 if (xisnan (val)) |
|
|
588 { |
|
|
589 error ("dasrt_options: %s: expecting integer, found NaN", |
|
|
590 keyword.c_str ()); |
|
|
591 } |
|
|
592 else |
|
|
593 (dasrt_opts.*list->i_set_fcn) (NINT (val)); |
|
|
594 } |
|
|
595 return; |
|
|
596 } |
|
|
597 list++; |
|
|
598 } |
|
|
599 |
|
|
600 warning ("dasrt_options: no match for `%s'", keyword.c_str ()); |
|
|
601 } |
|
|
602 |
|
|
603 static octave_value_list |
|
|
604 show_dasrt_option (const string& keyword) |
|
|
605 { |
|
|
606 octave_value retval; |
|
|
607 |
|
|
608 DASRT_OPTIONS *list = dasrt_option_table; |
|
|
609 |
|
|
610 while (list->keyword != 0) |
|
|
611 { |
|
|
612 if (keyword_almost_match (list->kw_tok, list->min_len, keyword, |
|
|
613 list->min_toks_to_match, MAX_TOKENS)) |
|
|
614 { |
|
|
615 if (list->d_get_fcn) |
|
|
616 { |
|
|
617 double val = (dasrt_opts.*list->d_get_fcn) (); |
|
|
618 if (val < 0.0) |
|
|
619 retval = "computed automatically"; |
|
|
620 else |
|
|
621 retval = val; |
|
|
622 } |
|
|
623 else |
|
|
624 { |
|
|
625 int val = (dasrt_opts.*list->i_get_fcn) (); |
|
|
626 if (val < 0) |
|
|
627 retval = "computed automatically"; |
|
|
628 else |
|
|
629 retval = static_cast<double> (val); |
|
|
630 } |
|
|
631 |
|
|
632 return retval; |
|
|
633 } |
|
|
634 list++; |
|
|
635 } |
|
|
636 |
|
|
637 warning ("dasrt_options: no match for `%s'", keyword.c_str ()); |
|
|
638 |
|
|
639 return retval; |
|
|
640 } |
|
|
641 |
|
|
642 DEFUN_DLD (dasrt_options, args, , |
|
|
643 "dasrt_options (KEYWORD, VALUE)\n\ |
|
|
644 \n\ |
|
|
645 Set or show options for dasrt. Keywords may be abbreviated\n\ |
|
|
646 to the shortest match.") |
|
|
647 { |
|
|
648 octave_value_list retval; |
|
|
649 |
|
|
650 int nargin = args.length (); |
|
|
651 |
|
|
652 if (nargin == 0) |
|
|
653 { |
|
|
654 print_dasrt_option_list (octave_stdout); |
|
|
655 return retval; |
|
|
656 } |
|
|
657 else if (nargin == 1 || nargin == 2) |
|
|
658 { |
|
|
659 string keyword = args(0).string_value (); |
|
|
660 |
|
|
661 if (! error_state) |
|
|
662 { |
|
|
663 if (nargin == 1) |
|
|
664 return show_dasrt_option (keyword); |
|
|
665 else |
|
|
666 { |
|
|
667 double val = args(1).double_value (); |
|
|
668 |
|
|
669 if (! error_state) |
|
|
670 { |
|
|
671 set_dasrt_option (keyword, val); |
|
|
672 return retval; |
|
|
673 } |
|
|
674 } |
|
|
675 } |
|
|
676 } |
|
|
677 |
|
|
678 print_usage ("dasrt_options"); |
|
|
679 |
|
|
680 return retval; |
|
|
681 } |
|
|
682 |
|
|
683 /* |
|
|
684 ;;; Local Variables: *** |
|
|
685 ;;; mode: C++ *** |
|
|
686 ;;; End: *** |
|
|
687 */ |
