annotate libinterp/corefcn/daspk.cc @ 21724:aba2e6293dd8

use "#if ..." consistently instead of "#ifdef" and "#ifndef" * configure.ac, Doxyfile.in, make_int.cc, Backend.cc, BaseControl.cc, ButtonControl.cc, Canvas.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, KeyMap.cc, ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc, ObjectFactory.cc, ObjectProxy.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc, PushTool.cc, QtHandlesUtils.cc, RadioButtonControl.cc, SliderControl.cc, TextControl.cc, TextEdit.cc, ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, __init_qt__.cc, annotation-dialog.cc, gl-select.cc, module.mk, color-picker.cc, dialog.cc, documentation-dock-widget.cc, files-dock-widget.cc, find-files-dialog.cc, find-files-model.cc, history-dock-widget.cc, liboctgui-build-info.in.cc, file-editor-tab.cc, file-editor.cc, find-dialog.cc, marker.cc, marker.h, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc, octave-cmd.cc, octave-dock-widget.cc, octave-gui.cc, octave-interpreter.cc, octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc, settings-dialog.cc, shortcut-manager.cc, terminal-dock-widget.cc, thread-manager.cc, welcome-wizard.cc, workspace-model.cc, workspace-view.cc, build-env.in.cc, Cell.cc, __contourc__.cc, __dispatch__.cc, __dsearchn__.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc, besselj.cc, betainc.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, cdisplay.c, cdisplay.h, cellfun.cc, coct-hdf5-types.c, colloc.cc, comment-list.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, debug.cc, defaults.cc, defaults.in.h, defun.cc, det.cc, dirfns.cc, display.cc, dlmread.cc, dot.cc, dynamic-ld.cc, eig.cc, ellipj.cc, error.cc, errwarn.cc, event-queue.cc, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, gripes.cc, hash.cc, help.cc, hess.cc, hex2num.cc, input.cc, inv.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-save.cc, lookup.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-binary.cc, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex.cc, mex.h, mexproto.h, mgorth.cc, nproc.cc, oct-errno.in.cc, oct-fstrm.cc, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-iostrm.cc, oct-lvalue.cc, oct-map.cc, oct-prcstrm.cc, oct-procbuf.cc, oct-stdstrm.h, oct-stream.cc, oct-strstrm.cc, oct-tex-lexer.in.ll, oct-tex-parser.in.yy, octave-link.cc, ordschur.cc, pager.cc, pinv.cc, pr-output.cc, procstream.cc, profiler.cc, psi.cc, pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, siglist.c, siglist.h, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, spparms.cc, sqrtm.cc, str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symtab.cc, syscalls.cc, sysdep.cc, text-renderer.cc, time.cc, toplev.cc, tril.cc, tsearch.cc, txt-eng.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc, xdiv.cc, xgl2ps.c, xnorm.cc, xpow.cc, zfstream.cc, zfstream.h, __delaunayn__.cc, __eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc, audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc, dmperm.cc, fftw.cc, qr.cc, symbfact.cc, symrcm.cc, liboctinterp-build-info.in.cc, mkbuiltins, mkops, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.cc, ov-cell.cc, ov-ch-mat.cc, ov-class.cc, ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cs-list.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc, ov-fcn-handle.cc, ov-fcn-inline.cc, ov-fcn.cc, ov-float.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-java.cc, ov-lazy-idx.cc, ov-mex-fcn.cc, ov-null-mat.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc, ov-typeinfo.cc, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ovl.cc, octave.cc, octave.h, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cdm-cm.cc, op-cdm-dm.cc, op-cdm-m.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cdm.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-dm.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-cdm.cc, op-dm-cm.cc, op-dm-dm.cc, op-dm-m.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-double-conv.cc, op-fcdm-fcdm.cc, op-fcdm-fcm.cc, op-fcdm-fdm.cc, op-fcdm-fm.cc, op-fcm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fdm.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fcdm.cc, op-fdm-fcm.cc, op-fdm-fdm.cc, op-fdm-fm.cc, op-float-conv.cc, op-fm-fcdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fdm.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-int-conv.cc, op-m-cdm.cc, op-m-cm.cc, op-m-cs.cc, op-m-dm.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, lex.ll, oct-parse.in.yy, pt-arg-list.cc, pt-array-list.cc, pt-assign.cc, pt-binop.cc, pt-bp.cc, pt-cbinop.cc, pt-cell.cc, pt-check.cc, pt-classdef.cc, pt-cmd.cc, pt-colon.cc, pt-const.cc, pt-decl.cc, pt-eval.cc, pt-except.cc, pt-exp.cc, pt-fcn-handle.cc, pt-funcall.cc, pt-id.cc, pt-idx.cc, pt-jump.cc, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc, pt-stmt.cc, pt-unop.cc, pt.cc, token.cc, Array-jit.cc, Array-tc.cc, version.cc, Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc, Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc, Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, MArray-C.cc, MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MSparse-C.cc, MSparse-d.cc, MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dim-vector.cc, dim-vector.h, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, Faddeeva.cc, blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, lo-error.h, quit.cc, quit.h, liboctave-build-info.in.cc, CollocWt.cc, DASPK.cc, DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, aepbalance.cc, chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-mappers.cc, lo-specfun.cc, lu.cc, oct-convn.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-spparms.cc, qr.cc, qrp.cc, randmtzig.cc, randpoisson.cc, schur.cc, sparse-chol.cc, sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, svd.cc, mk-ops.awk, mx-defs.h, dir-ops.cc, file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc, oct-group.cc, oct-passwd.cc, oct-syscalls.cc, oct-time.cc, oct-uname.cc, pathlen.h, syswait.h, cmd-edit.cc, cmd-hist.cc, data-conv.cc, f2c-main.c, glob-match.cc, kpse.cc, lo-array-errwarn.cc, lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-ieee.h, lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc, oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-rl-edit.c, oct-rl-edit.h, oct-rl-hist.c, oct-rl-hist.h, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc, sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc, url-transfer.cc, acinclude.m4, display-available.c, display-available.h, main-cli.cc, main-gui.cc, main.in.cc, mkoctfile.in.cc, octave-build-info.in.cc, octave-config.in.cc, shared-fcns.h: Use "#if ..." consistently instead of "#ifdef" and "#ifndef".
author John W. Eaton <jwe@octave.org>
date Tue, 17 May 2016 12:09:30 -0400
parents 40de9f8f23a6
children f4d7d0eb5b0c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 1996-2015 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include <string>
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28
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29 #include <iomanip>
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30 #include <iostream>
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31
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32 #include "DASPK.h"
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33
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34 #include "defun.h"
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35 #include "error.h"
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36 #include "errwarn.h"
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37 #include "ovl.h"
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38 #include "ov-fcn.h"
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39 #include "ov-cell.h"
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40 #include "pager.h"
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41 #include "unwind-prot.h"
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42 #include "utils.h"
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43 #include "variables.h"
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44
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45 #include "DASPK-opts.cc"
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46
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47 // Global pointer for user defined function required by daspk.
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48 static octave_function *daspk_fcn;
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49
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50 // Global pointer for optional user defined jacobian function.
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51 static octave_function *daspk_jac;
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52
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53 // Have we warned about imaginary values returned from user function?
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54 static bool warned_fcn_imaginary = false;
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55 static bool warned_jac_imaginary = false;
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56
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57 // Is this a recursive call?
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58 static int call_depth = 0;
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59
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60 ColumnVector
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61 daspk_user_function (const ColumnVector& x, const ColumnVector& xdot,
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62 double t, octave_idx_type& ires)
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63 {
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64 ColumnVector retval;
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65
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66 assert (x.numel () == xdot.numel ());
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67
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68 octave_value_list args;
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69
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70 args(2) = t;
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71 args(1) = xdot;
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72 args(0) = x;
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73
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74 if (daspk_fcn)
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75 {
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76 octave_value_list tmp;
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77
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78 try
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79 {
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80 tmp = daspk_fcn->do_multi_index_op (1, args);
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81 }
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82 catch (octave_execution_exception& e)
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83 {
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84 err_user_supplied_eval (e, "daspk");
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85 }
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86
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87 int tlen = tmp.length ();
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88 if (tlen == 0 || ! tmp(0).is_defined ())
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89 err_user_supplied_eval ("daspk");
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90
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91 if (! warned_fcn_imaginary && tmp(0).is_complex_type ())
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92 {
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93 warning ("daspk: ignoring imaginary part returned from user-supplied function");
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94 warned_fcn_imaginary = true;
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95 }
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96
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97 retval = tmp(0).vector_value ();
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98
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99 if (tlen > 1)
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100 ires = tmp(1).idx_type_value ();
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101
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102 if (retval.is_empty ())
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103 err_user_supplied_eval ("daspk");
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104 }
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105
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106 return retval;
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107 }
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108
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109 Matrix
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110 daspk_user_jacobian (const ColumnVector& x, const ColumnVector& xdot,
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111 double t, double cj)
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112 {
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113 Matrix retval;
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114
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115 assert (x.numel () == xdot.numel ());
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116
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117 octave_value_list args;
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118
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119 args(3) = cj;
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120 args(2) = t;
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121 args(1) = xdot;
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122 args(0) = x;
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123
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124 if (daspk_jac)
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125 {
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126 octave_value_list tmp;
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127
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128 try
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129 {
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130 tmp = daspk_jac->do_multi_index_op (1, args);
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131 }
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132 catch (octave_execution_exception& e)
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133 {
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134 err_user_supplied_eval (e, "daspk");
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135 }
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136
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137 int tlen = tmp.length ();
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138 if (tlen == 0 || ! tmp(0).is_defined ())
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139 err_user_supplied_eval ("daspk");
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140
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141 if (! warned_jac_imaginary && tmp(0).is_complex_type ())
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142 {
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143 warning ("daspk: ignoring imaginary part returned from user-supplied jacobian function");
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144 warned_jac_imaginary = true;
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145 }
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146
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147 retval = tmp(0).matrix_value ();
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148
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149 if (retval.is_empty ())
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150 err_user_supplied_eval ("daspk");
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151 }
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152
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153 return retval;
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154 }
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155
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156 DEFUN (daspk, args, nargout,
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157 "-*- texinfo -*-\n\
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158 @deftypefn {} {[@var{x}, @var{xdot}, @var{istate}, @var{msg}] =} daspk (@var{fcn}, @var{x_0}, @var{xdot_0}, @var{t}, @var{t_crit})\n\
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159 Solve the set of differential-algebraic equations\n\
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160 @tex\n\
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161 $$ 0 = f (x, \\dot{x}, t) $$\n\
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162 with\n\
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163 $$ x(t_0) = x_0, \\dot{x}(t_0) = \\dot{x}_0 $$\n\
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164 @end tex\n\
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165 @ifnottex\n\
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166 \n\
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167 @example\n\
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168 0 = f (x, xdot, t)\n\
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169 @end example\n\
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170 \n\
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171 @noindent\n\
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172 with\n\
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173 \n\
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174 @example\n\
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175 x(t_0) = x_0, xdot(t_0) = xdot_0\n\
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176 @end example\n\
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177 \n\
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178 @end ifnottex\n\
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179 The solution is returned in the matrices @var{x} and @var{xdot},\n\
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180 with each row in the result matrices corresponding to one of the\n\
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181 elements in the vector @var{t}. The first element of @var{t}\n\
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182 should be @math{t_0} and correspond to the initial state of the\n\
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183 system @var{x_0} and its derivative @var{xdot_0}, so that the first\n\
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184 row of the output @var{x} is @var{x_0} and the first row\n\
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185 of the output @var{xdot} is @var{xdot_0}.\n\
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186 \n\
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187 The first argument, @var{fcn}, is a string, inline, or function handle\n\
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188 that names the function @math{f} to call to compute the vector of\n\
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189 residuals for the set of equations. It must have the form\n\
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190 \n\
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191 @example\n\
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192 @var{res} = f (@var{x}, @var{xdot}, @var{t})\n\
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193 @end example\n\
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194 \n\
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195 @noindent\n\
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196 in which @var{x}, @var{xdot}, and @var{res} are vectors, and @var{t} is a\n\
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197 scalar.\n\
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198 \n\
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199 If @var{fcn} is a two-element string array or a two-element cell array\n\
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200 of strings, inline functions, or function handles, the first element names\n\
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201 the function @math{f} described above, and the second element names a\n\
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202 function to compute the modified Jacobian\n\
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203 @tex\n\
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204 $$\n\
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205 J = {\\partial f \\over \\partial x}\n\
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206 + c {\\partial f \\over \\partial \\dot{x}}\n\
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207 $$\n\
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208 @end tex\n\
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209 @ifnottex\n\
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210 \n\
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211 @example\n\
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212 @group\n\
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213 df df\n\
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214 jac = -- + c ------\n\
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215 dx d xdot\n\
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216 @end group\n\
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217 @end example\n\
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218 \n\
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219 @end ifnottex\n\
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220 \n\
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221 The modified Jacobian function must have the form\n\
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222 \n\
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223 @example\n\
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224 @group\n\
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225 \n\
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226 @var{jac} = j (@var{x}, @var{xdot}, @var{t}, @var{c})\n\
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227 \n\
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228 @end group\n\
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229 @end example\n\
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230 \n\
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231 The second and third arguments to @code{daspk} specify the initial\n\
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232 condition of the states and their derivatives, and the fourth argument\n\
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233 specifies a vector of output times at which the solution is desired,\n\
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234 including the time corresponding to the initial condition.\n\
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235 \n\
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236 The set of initial states and derivatives are not strictly required to\n\
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237 be consistent. If they are not consistent, you must use the\n\
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238 @code{daspk_options} function to provide additional information so\n\
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239 that @code{daspk} can compute a consistent starting point.\n\
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240 \n\
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241 The fifth argument is optional, and may be used to specify a set of\n\
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242 times that the DAE solver should not integrate past. It is useful for\n\
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243 avoiding difficulties with singularities and points where there is a\n\
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244 discontinuity in the derivative.\n\
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245 \n\
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246 After a successful computation, the value of @var{istate} will be\n\
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247 greater than zero (consistent with the Fortran version of @sc{daspk}).\n\
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248 \n\
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249 If the computation is not successful, the value of @var{istate} will be\n\
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250 less than zero and @var{msg} will contain additional information.\n\
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251 \n\
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252 You can use the function @code{daspk_options} to set optional\n\
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253 parameters for @code{daspk}.\n\
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254 @seealso{dassl}\n\
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255 @end deftypefn")
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256 {
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257 int nargin = args.length ();
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258
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259 if (nargin < 4 || nargin > 5)
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260 print_usage ();
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261
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262 warned_fcn_imaginary = false;
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263 warned_jac_imaginary = false;
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264
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265 octave_value_list retval (4);
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266
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267 unwind_protect frame;
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268
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269 frame.protect_var (call_depth);
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270 call_depth++;
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271
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272 if (call_depth > 1)
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273 error ("daspk: invalid recursive call");
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274
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275 std::string fcn_name, fname, jac_name, jname;
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276 daspk_fcn = 0;
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277 daspk_jac = 0;
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278
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279 octave_value f_arg = args(0);
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280
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281 if (f_arg.is_cell ())
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282 {
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283 Cell c = f_arg.cell_value ();
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284 if (c.numel () == 1)
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285 f_arg = c(0);
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286 else if (c.numel () == 2)
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287 {
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288 if (c(0).is_function_handle () || c(0).is_inline_function ())
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289 daspk_fcn = c(0).function_value ();
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290 else
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291 {
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292 fcn_name = unique_symbol_name ("__daspk_fcn__");
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293 fname = "function y = ";
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294 fname.append (fcn_name);
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295 fname.append (" (x, xdot, t) y = ");
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296 daspk_fcn = extract_function
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297 (c(0), "daspk", fcn_name, fname, "; endfunction");
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298 }
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299
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300 if (daspk_fcn)
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301 {
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302 if (c(1).is_function_handle () || c(1).is_inline_function ())
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303 daspk_jac = c(1).function_value ();
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304 else
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305 {
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306 jac_name = unique_symbol_name ("__daspk_jac__");
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diff changeset
307 jname = "function jac = ";
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diff changeset
308 jname.append (jac_name);
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309 jname.append (" (x, xdot, t, cj) jac = ");
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310 daspk_jac = extract_function (c(1), "daspk", jac_name,
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311 jname, "; endfunction");
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312
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313 if (! daspk_jac)
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314 {
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315 if (fcn_name.length ())
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316 clear_function (fcn_name);
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317 daspk_fcn = 0;
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318 }
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319 }
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320 }
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321 }
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322 else
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323 error ("daspk: incorrect number of elements in cell array");
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324 }
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325
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326 if (! daspk_fcn && ! f_arg.is_cell ())
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327 {
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328 if (f_arg.is_function_handle () || f_arg.is_inline_function ())
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329 daspk_fcn = f_arg.function_value ();
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330 else
10154
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331 {
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332 switch (f_arg.rows ())
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333 {
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334 case 1:
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335 do
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336 {
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337 fcn_name = unique_symbol_name ("__daspk_fcn__");
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338 fname = "function y = ";
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339 fname.append (fcn_name);
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340 fname.append (" (x, xdot, t) y = ");
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341 daspk_fcn = extract_function (f_arg, "daspk", fcn_name,
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342 fname, "; endfunction");
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343 }
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344 while (0);
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345 break;
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346
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347 case 2:
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348 {
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diff changeset
349 string_vector tmp = f_arg.string_vector_value ();
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diff changeset
350
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351 fcn_name = unique_symbol_name ("__daspk_fcn__");
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352 fname = "function y = ";
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353 fname.append (fcn_name);
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354 fname.append (" (x, xdot, t) y = ");
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355 daspk_fcn = extract_function (tmp(0), "daspk", fcn_name,
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diff changeset
356 fname, "; endfunction");
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357
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358 if (daspk_fcn)
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359 {
20802
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360 jac_name = unique_symbol_name ("__daspk_jac__");
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361 jname = "function jac = ";
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362 jname.append (jac_name);
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363 jname.append (" (x, xdot, t, cj) jac = ");
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364 daspk_jac = extract_function (tmp(1), "daspk",
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365 jac_name, jname,
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366 "; endfunction");
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367
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6f0bd96f93c0 maint: Use new C++ archetype in more files.
Rik <rik@octave.org>
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368 if (! daspk_jac)
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369 {
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370 if (fcn_name.length ())
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371 clear_function (fcn_name);
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372 daspk_fcn = 0;
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373 }
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374 }
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375 }
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376 }
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377 }
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378 }
4140
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jwe
parents: 4122
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379
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380 if (! daspk_fcn)
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9db35d2042be maint: eliminate special cases of statements after error.
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381 return retval;
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382
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383 ColumnVector state = args(1).xvector_value ("daspk: initial state X_0 must be a vector");
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384
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385 ColumnVector deriv = args(2).xvector_value ("daspk: initial derivatives XDOT_0 must be a vector");
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386
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387 ColumnVector out_times = args(3).xvector_value ("daspk: output time variable T must be a vector");
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388
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389 ColumnVector crit_times;
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390 int crit_times_set = 0;
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391 if (nargin > 4)
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392 {
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393 crit_times = args(4).xvector_value ("daspk: list of critical times T_CRIT must be a vector");
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394
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395 crit_times_set = 1;
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396 }
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397
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398 if (state.numel () != deriv.numel ())
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399 error ("daspk: X_0 and XDOT_0 must have the same size");
4140
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400
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401 double tzero = out_times (0);
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402
20802
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403 DAEFunc func (daspk_user_function);
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diff changeset
404 if (daspk_jac)
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405 func.set_jacobian_function (daspk_user_jacobian);
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406
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diff changeset
407 DASPK dae (state, deriv, tzero, func);
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408 dae.set_options (daspk_opts);
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f56cd411adb4 [project @ 2002-04-28 03:12:27 by jwe]
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409
20802
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410 Matrix output;
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diff changeset
411 Matrix deriv_output;
3912
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diff changeset
412
20802
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diff changeset
413 if (crit_times_set)
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diff changeset
414 output = dae.integrate (out_times, deriv_output, crit_times);
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415 else
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diff changeset
416 output = dae.integrate (out_times, deriv_output);
3997
d4091aff6468 [project @ 2002-07-17 18:00:06 by jwe]
jwe
parents: 3964
diff changeset
417
20802
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418 if (fcn_name.length ())
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419 clear_function (fcn_name);
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diff changeset
420 if (jac_name.length ())
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diff changeset
421 clear_function (jac_name);
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diff changeset
422
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423 std::string msg = dae.error_message ();
3912
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jwe
parents:
diff changeset
424
20802
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diff changeset
425 if (dae.integration_ok ())
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parents: 20785
diff changeset
426 {
20892
c07bee629973 2015 Code Sprint: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
427 retval(0) = output;
20802
8bb38ba1bad6 eliminate return statements after calls to print_usage
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diff changeset
428 retval(1) = deriv_output;
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429 }
f56cd411adb4 [project @ 2002-04-28 03:12:27 by jwe]
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diff changeset
430 else
20802
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diff changeset
431 {
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diff changeset
432 if (nargout < 3)
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diff changeset
433 error ("daspk: %s", msg.c_str ());
20892
c07bee629973 2015 Code Sprint: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
434
c07bee629973 2015 Code Sprint: use ovl ().
Rik <rik@octave.org>
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diff changeset
435 retval(0) = Matrix ();
c07bee629973 2015 Code Sprint: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
436 retval(1) = Matrix ();
20802
8bb38ba1bad6 eliminate return statements after calls to print_usage
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diff changeset
437 }
3912
f56cd411adb4 [project @ 2002-04-28 03:12:27 by jwe]
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parents:
diff changeset
438
20892
c07bee629973 2015 Code Sprint: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
439 retval(2) = static_cast<double> (dae.integration_state ());
c07bee629973 2015 Code Sprint: use ovl ().
Rik <rik@octave.org>
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diff changeset
440 retval(3) = msg;
c07bee629973 2015 Code Sprint: use ovl ().
Rik <rik@octave.org>
parents: 20853
diff changeset
441
3912
f56cd411adb4 [project @ 2002-04-28 03:12:27 by jwe]
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diff changeset
442 return retval;
f56cd411adb4 [project @ 2002-04-28 03:12:27 by jwe]
jwe
parents:
diff changeset
443 }