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DASPK.cc
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1 /*
2 
3 Copyright (C) 1996-2015 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 3 of the License, or (at your
10 option) any later version.
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15 for more details.
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17 You should have received a copy of the GNU General Public License
18 along with Octave; see the file COPYING. If not, see
19 <http://www.gnu.org/licenses/>.
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21 */
22 
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26 
27 #include <cfloat>
28 
29 #include <sstream>
30 
31 #include "DASPK.h"
32 #include "f77-fcn.h"
33 #include "lo-error.h"
34 #include "lo-math.h"
35 #include "quit.h"
36 
37 typedef octave_idx_type (*daspk_fcn_ptr) (const double&, const double*,
38  const double*, const double&,
39  double*, octave_idx_type&,
40  double*, octave_idx_type*);
41 
42 typedef octave_idx_type (*daspk_jac_ptr) (const double&, const double*,
43  const double*, double*,
44  const double&, double*,
46 
48  const double&, const double*,
49  const double*, const double*,
50  const double&, const double*,
51  double*, octave_idx_type*,
52  double*, const double&,
53  octave_idx_type&, double*,
55 
56 extern "C"
57 {
58  F77_RET_T
59  F77_FUNC (ddaspk, DDASPK) (daspk_fcn_ptr, const octave_idx_type&,
60  double&, double*, double*, double&,
61  const octave_idx_type*, const double*,
62  const double*, octave_idx_type&,
63  double*, const octave_idx_type&,
64  octave_idx_type*, const octave_idx_type&,
65  const double*, const octave_idx_type*,
67 }
68 
72 
73 static octave_idx_type
74 ddaspk_f (const double& time, const double *state, const double *deriv,
75  const double&, double *delta, octave_idx_type& ires, double *,
77 {
78  BEGIN_INTERRUPT_WITH_EXCEPTIONS;
79 
80  ColumnVector tmp_deriv (nn);
81  ColumnVector tmp_state (nn);
82  ColumnVector tmp_delta (nn);
83 
84  for (octave_idx_type i = 0; i < nn; i++)
85  {
86  tmp_deriv.elem (i) = deriv[i];
87  tmp_state.elem (i) = state[i];
88  }
89 
90  tmp_delta = user_fun (tmp_state, tmp_deriv, time, ires);
91 
92  if (ires >= 0)
93  {
94  if (tmp_delta.length () == 0)
95  ires = -2;
96  else
97  {
98  for (octave_idx_type i = 0; i < nn; i++)
99  delta[i] = tmp_delta.elem (i);
100  }
101  }
102 
103  END_INTERRUPT_WITH_EXCEPTIONS;
104 
105  return 0;
106 }
107 
108 //NEQ, T, Y, YPRIME, SAVR, WK, CJ, WGHT,
109 //C WP, IWP, B, EPLIN, IER, RPAR, IPAR)
110 
111 static octave_idx_type
112 ddaspk_psol (const octave_idx_type&, const double&, const double *,
113  const double *, const double *, const double&,
114  const double *, double *, octave_idx_type *, double *,
115  const double&, octave_idx_type&, double *, octave_idx_type*)
116 {
117  BEGIN_INTERRUPT_WITH_EXCEPTIONS;
118 
119  abort ();
120 
121  END_INTERRUPT_WITH_EXCEPTIONS;
122 
123  return 0;
124 }
125 
126 
127 static octave_idx_type
128 ddaspk_j (const double& time, const double *state, const double *deriv,
129  double *pd, const double& cj, double *, octave_idx_type *)
130 {
131  BEGIN_INTERRUPT_WITH_EXCEPTIONS;
132 
133  // FIXME: would be nice to avoid copying the data.
134 
135  ColumnVector tmp_state (nn);
136  ColumnVector tmp_deriv (nn);
137 
138  for (octave_idx_type i = 0; i < nn; i++)
139  {
140  tmp_deriv.elem (i) = deriv[i];
141  tmp_state.elem (i) = state[i];
142  }
143 
144  Matrix tmp_pd = user_jac (tmp_state, tmp_deriv, time, cj);
145 
146  for (octave_idx_type j = 0; j < nn; j++)
147  for (octave_idx_type i = 0; i < nn; i++)
148  pd[nn * j + i] = tmp_pd.elem (i, j);
149 
150  END_INTERRUPT_WITH_EXCEPTIONS;
151 
152  return 0;
153 }
154 
156 DASPK::do_integrate (double tout)
157 {
158  // FIXME: should handle all this option stuff just once
159  // for each new problem.
160 
161  ColumnVector retval;
162 
164  {
165  integration_error = false;
166 
167  initialized = true;
168 
169  info.resize (dim_vector (20, 1));
170 
171  for (octave_idx_type i = 0; i < 20; i++)
172  info(i) = 0;
173 
174  octave_idx_type n = size ();
175 
176  nn = n;
177 
178  info(0) = 0;
179 
180  if (stop_time_set)
181  {
182  rwork(0) = stop_time;
183  info(3) = 1;
184  }
185  else
186  info(3) = 0;
187 
188  // DAEFunc
189 
192 
193  if (user_fun)
194  {
195  octave_idx_type ires = 0;
196 
197  ColumnVector res = (*user_fun) (x, xdot, t, ires);
198 
199  if (res.length () != x.length ())
200  {
201  (*current_liboctave_error_handler)
202  ("daspk: inconsistent sizes for state and residual vectors");
203 
204  integration_error = true;
205  return retval;
206  }
207  }
208  else
209  {
210  (*current_liboctave_error_handler)
211  ("daspk: no user supplied RHS subroutine!");
212 
213  integration_error = true;
214  return retval;
215  }
216 
217  info(4) = user_jac ? 1 : 0;
218 
219  DAEFunc::reset = false;
220 
224 
225  liw = 40 + n;
226  if (eiq == 1 || eiq == 3)
227  liw += n;
228  if (ccic == 1 || eavfet == 1)
229  liw += n;
230 
231  lrw = 50 + 9*n + n*n;
232  if (eavfet == 1)
233  lrw += n;
234 
235  iwork.resize (dim_vector (liw, 1));
236  rwork.resize (dim_vector (lrw, 1));
237 
238  // DASPK_options
239 
242 
243  octave_idx_type abs_tol_len = abs_tol.length ();
244  octave_idx_type rel_tol_len = rel_tol.length ();
245 
246  if (abs_tol_len == 1 && rel_tol_len == 1)
247  {
248  info(1) = 0;
249  }
250  else if (abs_tol_len == n && rel_tol_len == n)
251  {
252  info(1) = 1;
253  }
254  else
255  {
256  (*current_liboctave_error_handler)
257  ("daspk: inconsistent sizes for tolerance arrays");
258 
259  integration_error = true;
260  return retval;
261  }
262 
263  double hmax = maximum_step_size ();
264  if (hmax >= 0.0)
265  {
266  rwork(1) = hmax;
267  info(6) = 1;
268  }
269  else
270  info(6) = 0;
271 
272  double h0 = initial_step_size ();
273  if (h0 >= 0.0)
274  {
275  rwork(2) = h0;
276  info(7) = 1;
277  }
278  else
279  info(7) = 0;
280 
281  octave_idx_type maxord = maximum_order ();
282  if (maxord >= 0)
283  {
284  if (maxord > 0 && maxord < 6)
285  {
286  info(8) = 1;
287  iwork(2) = maxord;
288  }
289  else
290  {
291  (*current_liboctave_error_handler)
292  ("daspk: invalid value for maximum order");
293  integration_error = true;
294  return retval;
295  }
296  }
297 
298  switch (eiq)
299  {
300  case 1:
301  case 3:
302  {
304 
305  if (ict.length () == n)
306  {
307  for (octave_idx_type i = 0; i < n; i++)
308  {
309  octave_idx_type val = ict(i);
310  if (val < -2 || val > 2)
311  {
312  (*current_liboctave_error_handler)
313  ("daspk: invalid value for inequality constraint type");
314  integration_error = true;
315  return retval;
316  }
317  iwork(40+i) = val;
318  }
319  }
320  else
321  {
322  (*current_liboctave_error_handler)
323  ("daspk: inequality constraint types size mismatch");
324  integration_error = true;
325  return retval;
326  }
327  }
328  // Fall through...
329 
330  case 0:
331  case 2:
332  info(9) = eiq;
333  break;
334 
335  default:
336  (*current_liboctave_error_handler)
337  ("daspk: invalid value for enforce inequality constraints option");
338  integration_error = true;
339  return retval;
340  }
341 
342  if (ccic)
343  {
344  if (ccic == 1)
345  {
346  // FIXME: this code is duplicated below.
347 
349 
350  if (av.length () == n)
351  {
352  octave_idx_type lid;
353  if (eiq == 0 || eiq == 2)
354  lid = 40;
355  else if (eiq == 1 || eiq == 3)
356  lid = 40 + n;
357  else
358  abort ();
359 
360  for (octave_idx_type i = 0; i < n; i++)
361  iwork(lid+i) = av(i) ? -1 : 1;
362  }
363  else
364  {
365  (*current_liboctave_error_handler)
366  ("daspk: algebraic variables size mismatch");
367  integration_error = true;
368  return retval;
369  }
370  }
371  else if (ccic != 2)
372  {
373  (*current_liboctave_error_handler)
374  ("daspk: invalid value for compute consistent initial condition option");
375  integration_error = true;
376  return retval;
377  }
378 
379  info(10) = ccic;
380  }
381 
382  if (eavfet)
383  {
384  info(15) = 1;
385 
386  // FIXME: this code is duplicated above.
387 
389 
390  if (av.length () == n)
391  {
392  octave_idx_type lid;
393  if (eiq == 0 || eiq == 2)
394  lid = 40;
395  else if (eiq == 1 || eiq == 3)
396  lid = 40 + n;
397  else
398  abort ();
399 
400  for (octave_idx_type i = 0; i < n; i++)
401  iwork(lid+i) = av(i) ? -1 : 1;
402  }
403  }
404 
406  {
408 
409  if (ich.length () == 6)
410  {
411  iwork(31) = NINTbig (ich(0));
412  iwork(32) = NINTbig (ich(1));
413  iwork(33) = NINTbig (ich(2));
414  iwork(34) = NINTbig (ich(3));
415 
416  rwork(13) = ich(4);
417  rwork(14) = ich(5);
418  }
419  else
420  {
421  (*current_liboctave_error_handler)
422  ("daspk: invalid initial condition heuristics option");
423  integration_error = true;
424  return retval;
425  }
426 
427  info(16) = 1;
428  }
429 
431  switch (pici)
432  {
433  case 0:
434  case 1:
435  case 2:
436  info(17) = pici;
437  break;
438 
439  default:
440  (*current_liboctave_error_handler)
441  ("daspk: invalid value for print initial condition info option");
442  integration_error = true;
443  return retval;
444  break;
445  }
446 
447  DASPK_options::reset = false;
448 
449  restart = false;
450  }
451 
452  double *px = x.fortran_vec ();
453  double *pxdot = xdot.fortran_vec ();
454 
455  octave_idx_type *pinfo = info.fortran_vec ();
456 
457  double *prel_tol = rel_tol.fortran_vec ();
458  double *pabs_tol = abs_tol.fortran_vec ();
459 
460  double *prwork = rwork.fortran_vec ();
461  octave_idx_type *piwork = iwork.fortran_vec ();
462 
463  double *dummy = 0;
464  octave_idx_type *idummy = 0;
465 
466  F77_XFCN (ddaspk, DDASPK, (ddaspk_f, nn, t, px, pxdot, tout, pinfo,
467  prel_tol, pabs_tol, istate, prwork, lrw,
468  piwork, liw, dummy, idummy, ddaspk_j,
469  ddaspk_psol));
470 
471  switch (istate)
472  {
473  case 1: // A step was successfully taken in intermediate-output
474  // mode. The code has not yet reached TOUT.
475  case 2: // The integration to TSTOP was successfully completed
476  // (T=TSTOP) by stepping exactly to TSTOP.
477  case 3: // The integration to TOUT was successfully completed
478  // (T=TOUT) by stepping past TOUT. Y(*) is obtained by
479  // interpolation. YPRIME(*) is obtained by interpolation.
480  case 4: // The initial condition calculation, with
481  // INFO(11) > 0, was successful, and INFO(14) = 1.
482  // No integration steps were taken, and the solution
483  // is not considered to have been started.
484  retval = x;
485  t = tout;
486  break;
487 
488  case -1: // A large amount of work has been expended. (~500 steps).
489  case -2: // The error tolerances are too stringent.
490  case -3: // The local error test cannot be satisfied because you
491  // specified a zero component in ATOL and the
492  // corresponding computed solution component is zero.
493  // Thus, a pure relative error test is impossible for
494  // this component.
495  case -6: // DDASPK had repeated error test failures on the last
496  // attempted step.
497  case -7: // The corrector could not converge.
498  case -8: // The matrix of partial derivatives is singular.
499  case -9: // The corrector could not converge. There were repeated
500  // error test failures in this step.
501  case -10: // The corrector could not converge because IRES was
502  // equal to minus one.
503  case -11: // IRES equal to -2 was encountered and control is being
504  // returned to the calling program.
505  case -12: // DDASPK failed to compute the initial YPRIME.
506  case -13: // Unrecoverable error encountered inside user's
507  // PSOL routine, and control is being returned to
508  // the calling program.
509  case -14: // The Krylov linear system solver could not
510  // achieve convergence.
511  case -33: // The code has encountered trouble from which it cannot
512  // recover. A message is printed explaining the trouble
513  // and control is returned to the calling program. For
514  // example, this occurs when invalid input is detected.
515  integration_error = true;
516  break;
517 
518  default:
519  integration_error = true;
520  (*current_liboctave_error_handler)
521  ("unrecognized value of istate (= %d) returned from ddaspk",
522  istate);
523  break;
524  }
525 
526  return retval;
527 }
528 
529 Matrix
531 {
532  Matrix dummy;
533  return integrate (tout, dummy);
534 }
535 
536 Matrix
537 DASPK::integrate (const ColumnVector& tout, Matrix& xdot_out)
538 {
539  Matrix retval;
540 
541  octave_idx_type n_out = tout.capacity ();
542  octave_idx_type n = size ();
543 
544  if (n_out > 0 && n > 0)
545  {
546  retval.resize (n_out, n);
547  xdot_out.resize (n_out, n);
548 
549  for (octave_idx_type i = 0; i < n; i++)
550  {
551  retval.elem (0, i) = x.elem (i);
552  xdot_out.elem (0, i) = xdot.elem (i);
553  }
554 
555  for (octave_idx_type j = 1; j < n_out; j++)
556  {
557  ColumnVector x_next = do_integrate (tout.elem (j));
558 
559  if (integration_error)
560  return retval;
561 
562  for (octave_idx_type i = 0; i < n; i++)
563  {
564  retval.elem (j, i) = x_next.elem (i);
565  xdot_out.elem (j, i) = xdot.elem (i);
566  }
567  }
568  }
569 
570  return retval;
571 }
572 
573 Matrix
574 DASPK::do_integrate (const ColumnVector& tout, const ColumnVector& tcrit)
575 {
576  Matrix dummy;
577  return integrate (tout, dummy, tcrit);
578 }
579 
580 Matrix
581 DASPK::integrate (const ColumnVector& tout, Matrix& xdot_out,
582  const ColumnVector& tcrit)
583 {
584  Matrix retval;
585 
586  octave_idx_type n_out = tout.capacity ();
587  octave_idx_type n = size ();
588 
589  if (n_out > 0 && n > 0)
590  {
591  retval.resize (n_out, n);
592  xdot_out.resize (n_out, n);
593 
594  for (octave_idx_type i = 0; i < n; i++)
595  {
596  retval.elem (0, i) = x.elem (i);
597  xdot_out.elem (0, i) = xdot.elem (i);
598  }
599 
600  octave_idx_type n_crit = tcrit.capacity ();
601 
602  if (n_crit > 0)
603  {
604  octave_idx_type i_crit = 0;
605  octave_idx_type i_out = 1;
606  double next_crit = tcrit.elem (0);
607  double next_out;
608  while (i_out < n_out)
609  {
610  bool do_restart = false;
611 
612  next_out = tout.elem (i_out);
613  if (i_crit < n_crit)
614  next_crit = tcrit.elem (i_crit);
615 
616  bool save_output;
617  double t_out;
618 
619  if (next_crit == next_out)
620  {
621  set_stop_time (next_crit);
622  t_out = next_out;
623  save_output = true;
624  i_out++;
625  i_crit++;
626  do_restart = true;
627  }
628  else if (next_crit < next_out)
629  {
630  if (i_crit < n_crit)
631  {
632  set_stop_time (next_crit);
633  t_out = next_crit;
634  save_output = false;
635  i_crit++;
636  do_restart = true;
637  }
638  else
639  {
640  clear_stop_time ();
641  t_out = next_out;
642  save_output = true;
643  i_out++;
644  }
645  }
646  else
647  {
648  set_stop_time (next_crit);
649  t_out = next_out;
650  save_output = true;
651  i_out++;
652  }
653 
654  ColumnVector x_next = do_integrate (t_out);
655 
656  if (integration_error)
657  return retval;
658 
659  if (save_output)
660  {
661  for (octave_idx_type i = 0; i < n; i++)
662  {
663  retval.elem (i_out-1, i) = x_next.elem (i);
664  xdot_out.elem (i_out-1, i) = xdot.elem (i);
665  }
666  }
667 
668  if (do_restart)
669  force_restart ();
670  }
671  }
672  else
673  {
674  retval = integrate (tout, xdot_out);
675 
676  if (integration_error)
677  return retval;
678  }
679  }
680 
681  return retval;
682 }
683 
684 std::string
686 {
687  std::string retval;
688 
689  std::ostringstream buf;
690  buf << t;
691  std::string t_curr = buf.str ();
692 
693  switch (istate)
694  {
695  case 1:
696  retval = "a step was successfully taken in intermediate-output mode.";
697  break;
698 
699  case 2:
700  retval = "integration completed by stepping exactly to TOUT";
701  break;
702 
703  case 3:
704  retval = "integration to tout completed by stepping past TOUT";
705  break;
706 
707  case 4:
708  retval = "initial condition calculation completed successfully";
709  break;
710 
711  case -1:
712  retval = std::string ("a large amount of work has been expended (t =")
713  + t_curr + ")";
714  break;
715 
716  case -2:
717  retval = "the error tolerances are too stringent";
718  break;
719 
720  case -3:
721  retval = std::string ("error weight became zero during problem. (t = ")
722  + t_curr
723  + "; solution component i vanished, and atol or atol(i) == 0)";
724  break;
725 
726  case -6:
727  retval = std::string ("repeated error test failures on the last attempted step (t = ")
728  + t_curr + ")";
729  break;
730 
731  case -7:
732  retval = std::string ("the corrector could not converge (t = ")
733  + t_curr + ")";
734  break;
735 
736  case -8:
737  retval = std::string ("the matrix of partial derivatives is singular (t = ")
738  + t_curr + ")";
739  break;
740 
741  case -9:
742  retval = std::string ("the corrector could not converge (t = ")
743  + t_curr + "; repeated test failures)";
744  break;
745 
746  case -10:
747  retval = std::string ("corrector could not converge because IRES was -1 (t = ")
748  + t_curr + ")";
749  break;
750 
751  case -11:
752  retval = std::string ("return requested in user-supplied function (t = ")
753  + t_curr + ")";
754  break;
755 
756  case -12:
757  retval = "failed to compute consistent initial conditions";
758  break;
759 
760  case -13:
761  retval = std::string ("unrecoverable error encountered inside user's PSOL function (t = ")
762  + t_curr + ")";
763  break;
764 
765  case -14:
766  retval = std::string ("the Krylov linear system solver failed to converge (t = ")
767  + t_curr + ")";
768  break;
769 
770  case -33:
771  retval = "unrecoverable error (see printed message)";
772  break;
773 
774  default:
775  retval = "unknown error state";
776  break;
777  }
778 
779  return retval;
780 }
Array< double > absolute_tolerance(void) const
Definition: DASPK-opts.h:188
static DAEFunc::DAERHSFunc user_fun
Definition: DASPK.cc:69
octave_idx_type size(void) const
Definition: base-de.h:75
ColumnVector xdot
Definition: base-dae.h:75
static octave_idx_type ddaspk_f(const double &time, const double *state, const double *deriv, const double &, double *delta, octave_idx_type &ires, double *, octave_idx_type *)
Definition: DASPK.cc:74
ColumnVector do_integrate(double t)
Definition: DASPK.cc:156
Matrix integrate(const ColumnVector &tout, Matrix &xdot_out)
Definition: DASPK.cc:537
void resize(octave_idx_type nr, octave_idx_type nc, double rfv=0)
Definition: dMatrix.h:130
octave_idx_type lrw
Definition: DASPK.h:71
static uint32_t state[624]
Definition: randmtzig.c:188
static octave_idx_type nn
Definition: DASPK.cc:71
subroutine ddaspk(RES, NEQ, T, Y, YPRIME, TOUT, INFO, RTOL, ATOL, IDID, RWORK, LRW, IWORK, LIW, RPAR, IPAR, JAC, PSOL)
Definition: ddaspk.f:5
static DAEFunc::DAEJacFunc user_jac
Definition: DASPK.cc:70
bool integration_error
Definition: base-de.h:114
DAERHSFunc function(void) const
Definition: DAEFunc.h:71
octave_idx_type print_initial_condition_info(void) const
Definition: DASPK-opts.h:203
octave_idx_type istate
Definition: base-de.h:116
Matrix(* DAEJacFunc)(const ColumnVector &x, const ColumnVector &xdot, double t, double cj)
Definition: DAEFunc.h:42
T & elem(octave_idx_type n)
Definition: Array.h:380
static octave_idx_type ddaspk_psol(const octave_idx_type &, const double &, const double *, const double *, const double *, const double &, const double *, double *, octave_idx_type *, double *, const double &, octave_idx_type &, double *, octave_idx_type *)
Definition: DASPK.cc:112
octave_idx_type use_initial_condition_heuristics(void) const
Definition: DASPK-opts.h:197
#define F77_XFCN(f, F, args)
Definition: f77-fcn.h:51
static octave_idx_type ddaspk_j(const double &time, const double *state, const double *deriv, double *pd, const double &cj, double *, octave_idx_type *)
Definition: DASPK.cc:128
DAEJacFunc jacobian_function(void) const
Definition: DAEFunc.h:80
double maximum_step_size(void) const
Definition: DASPK-opts.h:224
Array< double > rwork
Definition: DASPK.h:76
bool reset
Definition: DAEFunc.h:99
Array< octave_idx_type > iwork
Definition: DASPK.h:74
virtual void force_restart(void)
Definition: base-de.h:94
octave_idx_type(* daspk_fcn_ptr)(const double &, const double *, const double *, const double &, double *, octave_idx_type &, double *, octave_idx_type *)
Definition: DASPK.cc:37
void set_stop_time(double tt)
Definition: base-de.h:81
double t
Definition: base-de.h:106
double initial_step_size(void) const
Definition: DASPK-opts.h:218
octave_idx_type liw
Definition: DASPK.h:70
void resize(const dim_vector &dv, const T &rfv)
Definition: Array.cc:1033
octave_idx_type maximum_order(void) const
Definition: DASPK-opts.h:221
Array< octave_idx_type > algebraic_variables(void) const
Definition: DASPK-opts.h:209
octave_idx_type capacity(void) const
Number of elements in the array.
Definition: Array.h:256
octave_idx_type compute_consistent_initial_condition(void) const
Definition: DASPK-opts.h:194
octave_idx_type enforce_inequality_constraints(void) const
Definition: DASPK-opts.h:212
#define F77_RET_T
Definition: f77-fcn.h:264
Definition: dMatrix.h:35
octave_idx_type exclude_algebraic_variables_from_error_test(void) const
Definition: DASPK-opts.h:206
Array< octave_idx_type > inequality_constraint_types(void) const
Definition: DASPK-opts.h:215
void clear_stop_time(void)
Definition: base-de.h:88
double stop_time
Definition: base-de.h:108
octave_idx_type length(void) const
Number of elements in the array.
Definition: Array.h:267
std::string error_message(void) const
Definition: DASPK.cc:685
ColumnVector x
Definition: base-de.h:104
F77_RET_T F77_FUNC(ddaspk, DDASPK)(daspk_fcn_ptr
Array< double > abs_tol
Definition: DASPK.h:78
octave_idx_type(* daspk_jac_ptr)(const double &, const double *, const double *, double *, const double &, double *, octave_idx_type *)
Definition: DASPK.cc:42
Array< double > relative_tolerance(void) const
Definition: DASPK-opts.h:191
bool initialized
Definition: DASPK.h:68
Array< octave_idx_type > info
Definition: DASPK.h:73
ColumnVector(* DAERHSFunc)(const ColumnVector &x, const ColumnVector &xdot, double t, octave_idx_type &ires)
Definition: DAEFunc.h:34
const T * fortran_vec(void) const
Definition: Array.h:481
octave_idx_type NINTbig(double x)
Definition: lo-mappers.cc:635
bool restart
Definition: base-de.h:112
bool stop_time_set
Definition: base-de.h:110
Array< double > rel_tol
Definition: DASPK.h:79
Array< double > initial_condition_heuristics(void) const
Definition: DASPK-opts.h:200
octave_idx_type(* daspk_psol_ptr)(const octave_idx_type &, const double &, const double *, const double *, const double *, const double &, const double *, double *, octave_idx_type *, double *, const double &, octave_idx_type &, double *, octave_idx_type *)
Definition: DASPK.cc:47