Mercurial > octave
view liboctave/numeric/DASRT.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 | b571fc85953f |
line wrap: on
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/* Copyright (C) 2002-2015 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <cfloat> #include <sstream> #include "DASRT.h" #include "f77-fcn.h" #include "lo-error.h" #include "lo-math.h" #include "quit.h" typedef octave_idx_type (*dasrt_fcn_ptr) (const double&, const double*, const double*, double*, octave_idx_type&, double*, octave_idx_type*); typedef octave_idx_type (*dasrt_jac_ptr) (const double&, const double*, const double*, double*, const double&, double*, octave_idx_type*); typedef octave_idx_type (*dasrt_constr_ptr) (const octave_idx_type&, const double&, const double*, const octave_idx_type&, double*, double*, octave_idx_type*); extern "C" { F77_RET_T F77_FUNC (ddasrt, DDASRT) (dasrt_fcn_ptr, const octave_idx_type&, double&, double*, double*, const double&, octave_idx_type*, const double*, const double*, octave_idx_type&, double*, const octave_idx_type&, octave_idx_type*, const octave_idx_type&, double*, octave_idx_type*, dasrt_jac_ptr, dasrt_constr_ptr, const octave_idx_type&, octave_idx_type*); } static DAEFunc::DAERHSFunc user_fsub; static DAEFunc::DAEJacFunc user_jsub; static DAERTFunc::DAERTConstrFunc user_csub; static octave_idx_type nn; static octave_idx_type ddasrt_f (const double& t, const double *state, const double *deriv, double *delta, octave_idx_type& ires, double *, octave_idx_type *) { BEGIN_INTERRUPT_WITH_EXCEPTIONS; ColumnVector tmp_state (nn); ColumnVector tmp_deriv (nn); for (octave_idx_type i = 0; i < nn; i++) { tmp_state(i) = state[i]; tmp_deriv(i) = deriv[i]; } ColumnVector tmp_fval = (*user_fsub) (tmp_state, tmp_deriv, t, ires); if (tmp_fval.is_empty ()) ires = -2; else { for (octave_idx_type i = 0; i < nn; i++) delta[i] = tmp_fval(i); } END_INTERRUPT_WITH_EXCEPTIONS; return 0; } octave_idx_type ddasrt_j (const double& time, const double *state, const double *deriv, double *pd, const double& cj, double *, octave_idx_type *) { BEGIN_INTERRUPT_WITH_EXCEPTIONS; // FIXME: would be nice to avoid copying the data. ColumnVector tmp_state (nn); ColumnVector tmp_deriv (nn); for (octave_idx_type i = 0; i < nn; i++) { tmp_deriv.elem (i) = deriv[i]; tmp_state.elem (i) = state[i]; } Matrix tmp_pd = (*user_jsub) (tmp_state, tmp_deriv, time, cj); for (octave_idx_type j = 0; j < nn; j++) for (octave_idx_type i = 0; i < nn; i++) pd[nn * j + i] = tmp_pd.elem (i, j); END_INTERRUPT_WITH_EXCEPTIONS; return 0; } static octave_idx_type ddasrt_g (const octave_idx_type& neq, const double& t, const double *state, const octave_idx_type& ng, double *gout, double *, octave_idx_type *) { BEGIN_INTERRUPT_WITH_EXCEPTIONS; octave_idx_type n = neq; ColumnVector tmp_state (n); for (octave_idx_type i = 0; i < n; i++) tmp_state(i) = state[i]; ColumnVector tmp_fval = (*user_csub) (tmp_state, t); for (octave_idx_type i = 0; i < ng; i++) gout[i] = tmp_fval(i); END_INTERRUPT_WITH_EXCEPTIONS; return 0; } void DASRT::integrate (double tout) { // I suppose this is the safe thing to do. If this is the first // call, or if anything about the problem has changed, we should // start completely fresh. if (! initialized || restart || DAEFunc::reset || DAERTFunc::reset || DASRT_options::reset) { integration_error = false; initialized = true; info.resize (dim_vector (15, 1)); for (octave_idx_type i = 0; i < 15; i++) info(i) = 0; octave_idx_type n = size (); nn = n; // DAERTFunc user_csub = DAERTFunc::constraint_function (); if (user_csub) { ColumnVector tmp = (*user_csub) (x, t); ng = tmp.numel (); } else ng = 0; octave_idx_type maxord = maximum_order (); if (maxord >= 0) { if (maxord > 0 && maxord < 6) { info(8) = 1; iwork(2) = maxord; } else { (*current_liboctave_error_handler) ("dassl: invalid value for maximum order"); integration_error = true; return; } } liw = 21 + n; lrw = 50 + 9*n + n*n + 3*ng; iwork.resize (dim_vector (liw, 1)); rwork.resize (dim_vector (lrw, 1)); info(0) = 0; if (stop_time_set) { info(3) = 1; rwork(0) = stop_time; } else info(3) = 0; restart = false; // DAEFunc user_fsub = DAEFunc::function (); user_jsub = DAEFunc::jacobian_function (); if (user_fsub) { octave_idx_type ires = 0; ColumnVector fval = (*user_fsub) (x, xdot, t, ires); if (fval.numel () != x.numel ()) { (*current_liboctave_error_handler) ("dasrt: inconsistent sizes for state and residual vectors"); integration_error = true; return; } } else { (*current_liboctave_error_handler) ("dasrt: no user supplied RHS subroutine!"); integration_error = true; return; } info(4) = user_jsub ? 1 : 0; DAEFunc::reset = false; jroot.resize (dim_vector (ng, 1), 1); DAERTFunc::reset = false; // DASRT_options double mss = maximum_step_size (); if (mss >= 0.0) { rwork(1) = mss; info(6) = 1; } else info(6) = 0; double iss = initial_step_size (); if (iss >= 0.0) { rwork(2) = iss; info(7) = 1; } else info(7) = 0; if (step_limit () >= 0) { info(11) = 1; iwork(20) = step_limit (); } else info(11) = 0; abs_tol = absolute_tolerance (); rel_tol = relative_tolerance (); octave_idx_type abs_tol_len = abs_tol.numel (); octave_idx_type rel_tol_len = rel_tol.numel (); if (abs_tol_len == 1 && rel_tol_len == 1) { info.elem (1) = 0; } else if (abs_tol_len == n && rel_tol_len == n) { info.elem (1) = 1; } else { (*current_liboctave_error_handler) ("dasrt: inconsistent sizes for tolerance arrays"); integration_error = true; return; } DASRT_options::reset = false; } double *px = x.fortran_vec (); double *pxdot = xdot.fortran_vec (); octave_idx_type *pinfo = info.fortran_vec (); double *prel_tol = rel_tol.fortran_vec (); double *pabs_tol = abs_tol.fortran_vec (); double *prwork = rwork.fortran_vec (); octave_idx_type *piwork = iwork.fortran_vec (); octave_idx_type *pjroot = jroot.fortran_vec (); double *dummy = 0; octave_idx_type *idummy = 0; F77_XFCN (ddasrt, DDASRT, (ddasrt_f, nn, t, px, pxdot, tout, pinfo, prel_tol, pabs_tol, istate, prwork, lrw, piwork, liw, dummy, idummy, ddasrt_j, ddasrt_g, ng, pjroot)); switch (istate) { case 1: // A step was successfully taken in intermediate-output // mode. The code has not yet reached TOUT. case 2: // The integration to TOUT was successfully completed // (T=TOUT) by stepping exactly to TOUT. case 3: // The integration to TOUT was successfully completed // (T=TOUT) by stepping past TOUT. Y(*) is obtained by // interpolation. YPRIME(*) is obtained by interpolation. t = tout; break; case 4: // The integration was successfully completed // by finding one or more roots of G at T. break; case -1: // A large amount of work has been expended. case -2: // The error tolerances are too stringent. case -3: // The local error test cannot be satisfied because you // specified a zero component in ATOL and the // corresponding computed solution component is zero. // Thus, a pure relative error test is impossible for // this component. case -6: // DDASRT had repeated error test failures on the last // attempted step. case -7: // The corrector could not converge. case -8: // The matrix of partial derivatives is singular. case -9: // The corrector could not converge. There were repeated // error test failures in this step. case -10: // The corrector could not converge because IRES was // equal to minus one. case -11: // IRES equal to -2 was encountered and control is being // returned to the calling program. case -12: // DASSL failed to compute the initial YPRIME. case -33: // The code has encountered trouble from which it cannot // recover. A message is printed explaining the trouble // and control is returned to the calling program. For // example, this occurs when invalid input is detected. integration_error = true; break; default: integration_error = true; (*current_liboctave_error_handler) ("unrecognized value of istate (= %d) returned from ddasrt", istate); break; } } DASRT_result DASRT::integrate (const ColumnVector& tout) { DASRT_result retval; Matrix x_out; Matrix xdot_out; ColumnVector t_out = tout; octave_idx_type n_out = tout.numel (); octave_idx_type n = size (); if (n_out > 0 && n > 0) { x_out.resize (n_out, n); xdot_out.resize (n_out, n); for (octave_idx_type i = 0; i < n; i++) { x_out(0,i) = x(i); xdot_out(0,i) = xdot(i); } for (octave_idx_type j = 1; j < n_out; j++) { integrate (tout(j)); if (integration_error) { retval = DASRT_result (x_out, xdot_out, t_out); return retval; } if (istate == 4) t_out(j) = t; else t_out(j) = tout(j); for (octave_idx_type i = 0; i < n; i++) { x_out(j,i) = x(i); xdot_out(j,i) = xdot(i); } if (istate == 4) { x_out.resize (j+1, n); xdot_out.resize (j+1, n); t_out.resize (j+1); break; } } } retval = DASRT_result (x_out, xdot_out, t_out); return retval; } DASRT_result DASRT::integrate (const ColumnVector& tout, const ColumnVector& tcrit) { DASRT_result retval; Matrix x_out; Matrix xdot_out; ColumnVector t_outs = tout; octave_idx_type n_out = tout.numel (); octave_idx_type n = size (); if (n_out > 0 && n > 0) { x_out.resize (n_out, n); xdot_out.resize (n_out, n); octave_idx_type n_crit = tcrit.numel (); if (n_crit > 0) { octave_idx_type i_crit = 0; octave_idx_type i_out = 1; double next_crit = tcrit(0); double next_out; while (i_out < n_out) { bool do_restart = false; next_out = tout(i_out); if (i_crit < n_crit) next_crit = tcrit(i_crit); octave_idx_type save_output; double t_out; if (next_crit == next_out) { set_stop_time (next_crit); t_out = next_out; save_output = 1; i_out++; i_crit++; do_restart = true; } else if (next_crit < next_out) { if (i_crit < n_crit) { set_stop_time (next_crit); t_out = next_crit; save_output = 0; i_crit++; do_restart = true; } else { clear_stop_time (); t_out = next_out; save_output = 1; i_out++; } } else { set_stop_time (next_crit); t_out = next_out; save_output = 1; i_out++; } integrate (t_out); if (integration_error) { retval = DASRT_result (x_out, xdot_out, t_outs); return retval; } if (istate == 4) t_out = t; if (save_output) { for (octave_idx_type i = 0; i < n; i++) { x_out(i_out-1,i) = x(i); xdot_out(i_out-1,i) = xdot(i); } t_outs(i_out-1) = t_out; if (istate == 4) { x_out.resize (i_out, n); xdot_out.resize (i_out, n); t_outs.resize (i_out); i_out = n_out; } } if (do_restart) force_restart (); } retval = DASRT_result (x_out, xdot_out, t_outs); } else { retval = integrate (tout); if (integration_error) return retval; } } return retval; } std::string DASRT::error_message (void) const { std::string retval; std::ostringstream buf; buf << t; std::string t_curr = buf.str (); switch (istate) { case 1: retval = "a step was successfully taken in intermediate-output mode."; break; case 2: retval = "integration completed by stepping exactly to TOUT"; break; case 3: retval = "integration to tout completed by stepping past TOUT"; break; case 4: retval = "integration completed by finding one or more roots of G at T"; break; case -1: retval = std::string ("a large amount of work has been expended (t =") + t_curr + ")"; break; case -2: retval = "the error tolerances are too stringent"; break; case -3: retval = std::string ("error weight became zero during problem. (t = ") + t_curr + "; solution component i vanished, and atol or atol(i) == 0)"; break; case -6: retval = std::string ("repeated error test failures on the last attempted step (t = ") + t_curr + ")"; break; case -7: retval = std::string ("the corrector could not converge (t = ") + t_curr + ")"; break; case -8: retval = std::string ("the matrix of partial derivatives is singular (t = ") + t_curr + ")"; break; case -9: retval = std::string ("the corrector could not converge (t = ") + t_curr + "; repeated test failures)"; break; case -10: retval = std::string ("corrector could not converge because IRES was -1 (t = ") + t_curr + ")"; break; case -11: retval = std::string ("return requested in user-supplied function (t = ") + t_curr + ")"; break; case -12: retval = "failed to compute consistent initial conditions"; break; case -33: retval = "unrecoverable error (see printed message)"; break; default: retval = "unknown error state"; break; } return retval; }