annotate liboctave/numeric/LSODE.cc @ 21136:7cac4e7458f2

maint: clean up code around calls to current_liboctave_error_handler. Remove statements after call to handler that are no longer reachable. Place input validation first and immediately call handler if necessary. Change if/error_handler/else to if/error_handler and re-indent code. * Array-util.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MArray.cc, PermMatrix.cc, Sparse.cc, Sparse.h, chMatrix.cc, chNDArray.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc, CmplxLU.cc, CmplxQR.cc, CmplxSCHUR.cc, CmplxSVD.cc, DASPK.cc, EIG.cc, LSODE.cc, Quad.cc, SparseCmplxCHOL.cc, SparseCmplxLU.cc, SparseCmplxQR.cc, SparseQR.cc, SparsedbleCHOL.cc, SparsedbleLU.cc, base-lu.cc, bsxfun-defs.cc, dbleAEPBAL.cc, dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc, dbleSCHUR.cc, dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc, fCmplxCHOL.cc, fCmplxLU.cc, fCmplxQR.cc, fCmplxSCHUR.cc, fEIG.cc, floatAEPBAL.cc, floatCHOL.cc, floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc, floatSCHUR.cc, floatSVD.cc, lo-specfun.cc, oct-fftw.cc, oct-rand.cc, oct-spparms.cc, sparse-base-chol.cc, sparse-dmsolve.cc, file-ops.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc, oct-syscalls.cc, cmd-edit.cc, cmd-hist.cc, data-conv.cc, lo-ieee.cc, lo-regexp.cc, oct-base64.cc, oct-shlib.cc, pathsearch.cc, singleton-cleanup.cc, sparse-util.cc, unwind-prot.cc: Remove statements after call to handler that are no longer reachable. Place input validation first and immediately call handler if necessary. Change if/error_handler/else to if/error_handler and re-indent code.
author Rik <rik@octave.org>
date Sat, 23 Jan 2016 13:52:03 -0800
parents 1edf15793cac
children f7121e111991
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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) 1993-2015 John W. Eaton
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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
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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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21 */
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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27 #include <cfloat>
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29 #include <sstream>
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31 #include "LSODE.h"
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32 #include "f77-fcn.h"
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33 #include "lo-error.h"
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34 #include "lo-math.h"
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35 #include "quit.h"
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36
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37 typedef octave_idx_type (*lsode_fcn_ptr) (const octave_idx_type&,
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38 const double&, double*,
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39 double*, octave_idx_type&);
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40
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41 typedef octave_idx_type (*lsode_jac_ptr) (const octave_idx_type&,
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42 const double&, double*,
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43 const octave_idx_type&,
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44 const octave_idx_type&,
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45 double*, const octave_idx_type&);
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46
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47 extern "C"
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48 {
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49 F77_RET_T
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50 F77_FUNC (dlsode, DLSODE) (lsode_fcn_ptr, octave_idx_type&, double*,
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51 double&, double&, octave_idx_type&, double&,
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52 const double*, octave_idx_type&,
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53 octave_idx_type&, octave_idx_type&,
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54 double*, octave_idx_type&, octave_idx_type*,
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55 octave_idx_type&, lsode_jac_ptr,
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56 octave_idx_type&);
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57 }
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58
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59 static ODEFunc::ODERHSFunc user_fun;
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60 static ODEFunc::ODEJacFunc user_jac;
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61 static ColumnVector *tmp_x;
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62
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63 static octave_idx_type
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64 lsode_f (const octave_idx_type& neq, const double& time, double *,
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65 double *deriv, octave_idx_type& ierr)
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66 {
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67 BEGIN_INTERRUPT_WITH_EXCEPTIONS;
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68
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69 ColumnVector tmp_deriv;
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71 // NOTE: this won't work if LSODE passes copies of the state vector.
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72 // In that case we have to create a temporary vector object
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73 // and copy.
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74
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75 tmp_deriv = (*user_fun) (*tmp_x, time);
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77 if (tmp_deriv.is_empty ())
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78 ierr = -1;
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79 else
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80 {
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81 for (octave_idx_type i = 0; i < neq; i++)
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82 deriv[i] = tmp_deriv.elem (i);
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83 }
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85 END_INTERRUPT_WITH_EXCEPTIONS;
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86
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87 return 0;
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88 }
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89
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90 static octave_idx_type
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91 lsode_j (const octave_idx_type& neq, const double& time, double *,
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92 const octave_idx_type&, const octave_idx_type&, double *pd,
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93 const octave_idx_type& nrowpd)
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94 {
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95 BEGIN_INTERRUPT_WITH_EXCEPTIONS;
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97 Matrix tmp_jac (neq, neq);
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99 // NOTE: this won't work if LSODE passes copies of the state vector.
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100 // In that case we have to create a temporary vector object
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101 // and copy.
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102
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103 tmp_jac = (*user_jac) (*tmp_x, time);
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104
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105 for (octave_idx_type j = 0; j < neq; j++)
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106 for (octave_idx_type i = 0; i < neq; i++)
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107 pd[nrowpd * j + i] = tmp_jac (i, j);
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108
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109 END_INTERRUPT_WITH_EXCEPTIONS;
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110
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111 return 0;
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112 }
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113
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114 ColumnVector
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115 LSODE::do_integrate (double tout)
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116 {
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117 ColumnVector retval;
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118
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119 static octave_idx_type nn = 0;
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121 if (! initialized || restart || ODEFunc::reset || LSODE_options::reset)
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122 {
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123 integration_error = false;
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124
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125 initialized = true;
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126
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127 istate = 1;
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128
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129 octave_idx_type n = size ();
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130
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131 nn = n;
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132
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133 octave_idx_type max_maxord = 0;
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134
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135 if (integration_method () == "stiff")
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136 {
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137 max_maxord = 5;
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138
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139 if (jac)
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140 method_flag = 21;
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141 else
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142 method_flag = 22;
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143
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144 liw = 20 + n;
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145 lrw = 22 + n * (9 + n);
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146 }
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147 else
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148 {
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149 max_maxord = 12;
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150
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151 method_flag = 10;
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152
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153 liw = 20;
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154 lrw = 22 + 16 * n;
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155 }
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156
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157 maxord = maximum_order ();
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158
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159 iwork.resize (dim_vector (liw, 1));
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160
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161 for (octave_idx_type i = 4; i < 9; i++)
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162 iwork(i) = 0;
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163
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164 rwork.resize (dim_vector (lrw, 1));
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165
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166 for (octave_idx_type i = 4; i < 9; i++)
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167 rwork(i) = 0;
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168
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169 if (maxord >= 0)
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170 {
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171 if (maxord > 0 && maxord <= max_maxord)
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172 {
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173 iwork(4) = maxord;
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174 iopt = 1;
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175 }
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176 else
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177 {
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178 // FIXME: Should this be a warning?
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179 (*current_liboctave_error_handler)
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180 ("lsode: invalid value for maximum order");
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181 integration_error = true;
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182 return retval;
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183 }
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184 }
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185
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186 if (stop_time_set)
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187 {
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188 itask = 4;
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189 rwork(0) = stop_time;
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190 iopt = 1;
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191 }
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192 else
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193 {
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194 itask = 1;
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195 }
258
1c9a678906fb [project @ 1993-12-14 06:24:04 by jwe]
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196
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197 restart = false;
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198
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199 // ODEFunc
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200
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201 // NOTE: this won't work if LSODE passes copies of the state vector.
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202 // In that case we have to create a temporary vector object
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203 // and copy.
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204
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205 tmp_x = &x;
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206
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207 user_fun = function ();
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208 user_jac = jacobian_function ();
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209
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210 ColumnVector xdot = (*user_fun) (x, t);
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211
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212 if (x.numel () != xdot.numel ())
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213 {
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214 // FIXME: Should this be a warning?
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215 (*current_liboctave_error_handler)
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216 ("lsode: inconsistent sizes for state and derivative vectors");
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217
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218 integration_error = true;
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219 return retval;
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220 }
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221
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222 ODEFunc::reset = false;
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223
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224 // LSODE_options
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225
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226 rel_tol = relative_tolerance ();
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227 abs_tol = absolute_tolerance ();
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228
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229 octave_idx_type abs_tol_len = abs_tol.numel ();
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230
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231 if (abs_tol_len == 1)
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232 itol = 1;
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233 else if (abs_tol_len == n)
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234 itol = 2;
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235 else
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236 {
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237 // FIXME: Should this be a warning?
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238 (*current_liboctave_error_handler)
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239 ("lsode: inconsistent sizes for state and absolute tolerance vectors");
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240
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241 integration_error = true;
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242 return retval;
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243 }
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244
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245 double iss = initial_step_size ();
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246 if (iss >= 0.0)
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247 {
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248 rwork(4) = iss;
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249 iopt = 1;
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250 }
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251
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252 double maxss = maximum_step_size ();
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253 if (maxss >= 0.0)
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254 {
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255 rwork(5) = maxss;
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256 iopt = 1;
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257 }
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258
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259 double minss = minimum_step_size ();
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260 if (minss >= 0.0)
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261 {
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262 rwork(6) = minss;
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263 iopt = 1;
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264 }
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265
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266 octave_idx_type sl = step_limit ();
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267 if (sl > 0)
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268 {
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269 iwork(5) = sl;
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270 iopt = 1;
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271 }
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272
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273 LSODE_options::reset = false;
3
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274 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
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275
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276 double *px = x.fortran_vec ();
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277
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278 double *pabs_tol = abs_tol.fortran_vec ();
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279
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280 octave_idx_type *piwork = iwork.fortran_vec ();
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281 double *prwork = rwork.fortran_vec ();
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282
4583
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283 F77_XFCN (dlsode, DLSODE, (lsode_f, nn, px, t, tout, itol, rel_tol,
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284 pabs_tol, itask, istate, iopt, prwork, lrw,
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diff changeset
285 piwork, liw, lsode_j, method_flag));
3
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jwe
parents:
diff changeset
286
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
287 switch (istate)
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
288 {
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
289 case 1: // prior to initial integration step.
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
290 case 2: // lsode was successful.
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
291 retval = x;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
292 t = tout;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
293 break;
3996
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
294
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
295 case -1: // excess work done on this call (perhaps wrong mf).
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
296 case -2: // excess accuracy requested (tolerances too small).
8807
401d54a83690 use 'invalid', not 'illegal'
John W. Eaton <jwe@octave.org>
parents: 7482
diff changeset
297 case -3: // invalid input detected (see printed message).
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
298 case -4: // repeated error test failures (check all inputs).
12600
7c000c70f873 LSODE.cc: Add semicolon to error messages to prevent run-together text.
Rik <octave@nomad.inbox5.com>
parents: 11586
diff changeset
299 case -5: // repeated convergence failures (perhaps bad Jacobian
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
300 // supplied or wrong choice of mf or tolerances).
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
301 case -6: // error weight became zero during problem. (solution
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
302 // component i vanished, and atol or atol(i) = 0.)
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
303 case -13: // return requested in user-supplied function.
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
304 integration_error = true;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
305 break;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
306
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
307 default:
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
308 integration_error = true;
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
309 (*current_liboctave_error_handler)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20974
diff changeset
310 ("unrecognized value of istate (= %d) returned from lsode", istate);
7482
29980c6b8604 don't check f77_exception_encountered
John W. Eaton <jwe@octave.org>
parents: 7231
diff changeset
311 break;
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
312 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
313
1945
8c4bce5e773e [project @ 1996-02-14 01:03:03 by jwe]
jwe
parents: 1882
diff changeset
314 return retval;
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
315 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
316
3959
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
317 std::string
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
318 LSODE::error_message (void) const
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
319 {
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
320 std::string retval;
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
321
5765
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5553
diff changeset
322 std::ostringstream buf;
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5553
diff changeset
323 buf << t;
7ba9ad1fec11 [project @ 2006-04-17 05:05:15 by jwe]
jwe
parents: 5553
diff changeset
324 std::string t_curr = buf.str ();
4042
8bc97120fbd5 [project @ 2002-08-15 02:30:40 by jwe]
jwe
parents: 3998
diff changeset
325
3959
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
326 switch (istate)
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
327 {
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
328 case 1:
3996
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
329 retval = "prior to initial integration step";
3959
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
330 break;
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
331
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
332 case 2:
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
333 retval = "successful exit";
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
334 break;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
335
3959
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
336 case 3:
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
337 retval = "prior to continuation call with modified parameters";
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
338 break;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11574
diff changeset
339
3996
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
340 case -1:
4042
8bc97120fbd5 [project @ 2002-08-15 02:30:40 by jwe]
jwe
parents: 3998
diff changeset
341 retval = std::string ("excess work on this call (t = ")
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
342 + t_curr + "; perhaps wrong integration method)";
3996
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
343 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
344
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
345 case -2:
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
346 retval = "excess accuracy requested (tolerances too small)";
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
347 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
348
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
349 case -3:
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
350 retval = "invalid input detected (see printed message)";
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
351 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
352
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
353 case -4:
4042
8bc97120fbd5 [project @ 2002-08-15 02:30:40 by jwe]
jwe
parents: 3998
diff changeset
354 retval = std::string ("repeated error test failures (t = ")
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
355 + t_curr + "; check all inputs)";
3996
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
356 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
357
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
358 case -5:
4042
8bc97120fbd5 [project @ 2002-08-15 02:30:40 by jwe]
jwe
parents: 3998
diff changeset
359 retval = std::string ("repeated convergence failures (t = ")
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
360 + t_curr
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
361 + "; perhaps bad Jacobian supplied or wrong choice of integration method or tolerances)";
3996
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
362 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
363
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
364 case -6:
4042
8bc97120fbd5 [project @ 2002-08-15 02:30:40 by jwe]
jwe
parents: 3998
diff changeset
365 retval = std::string ("error weight became zero during problem. (t = ")
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
366 + t_curr
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
367 + "; solution component i vanished, and atol or atol(i) == 0)";
3996
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
368 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
369
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
370 case -13:
4042
8bc97120fbd5 [project @ 2002-08-15 02:30:40 by jwe]
jwe
parents: 3998
diff changeset
371 retval = "return requested in user-supplied function (t = "
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
372 + t_curr + ")";
3996
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
373 break;
98107d72871c [project @ 2002-07-17 16:22:05 by jwe]
jwe
parents: 3995
diff changeset
374
3959
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
375 default:
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
376 retval = "unknown error state";
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
377 break;
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
378 }
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
379
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
380 return retval;
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
381 }
5a848097fe4a [project @ 2002-05-24 17:58:16 by jwe]
jwe
parents: 3955
diff changeset
382
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
383 Matrix
1842
0574a1f3a273 [project @ 1996-02-03 11:44:02 by jwe]
jwe
parents: 1482
diff changeset
384 LSODE::do_integrate (const ColumnVector& tout)
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
385 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
386 Matrix retval;
4049
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe]
jwe
parents: 4043
diff changeset
387
20229
5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
388 octave_idx_type n_out = tout.numel ();
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
389 octave_idx_type n = size ();
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
390
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
391 if (n_out > 0 && n > 0)
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
392 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
393 retval.resize (n_out, n);
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
394
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
395 for (octave_idx_type i = 0; i < n; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
396 retval.elem (0, i) = x.elem (i);
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
397
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
398 for (octave_idx_type j = 1; j < n_out; j++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
399 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
400 ColumnVector x_next = do_integrate (tout.elem (j));
258
1c9a678906fb [project @ 1993-12-14 06:24:04 by jwe]
jwe
parents: 238
diff changeset
401
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
402 if (integration_error)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
403 return retval;
258
1c9a678906fb [project @ 1993-12-14 06:24:04 by jwe]
jwe
parents: 238
diff changeset
404
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
405 for (octave_idx_type i = 0; i < n; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
406 retval.elem (j, i) = x_next.elem (i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
407 }
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
408 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
409
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
410 return retval;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
411 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
412
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
413 Matrix
3511
d92134062783 [project @ 2000-02-01 22:06:28 by jwe]
jwe
parents: 3507
diff changeset
414 LSODE::do_integrate (const ColumnVector& tout, const ColumnVector& tcrit)
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
415 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
416 Matrix retval;
4049
a35a3c5d4740 [project @ 2002-08-16 08:54:31 by jwe]
jwe
parents: 4043
diff changeset
417
20229
5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
418 octave_idx_type n_out = tout.numel ();
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
419 octave_idx_type n = size ();
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
420
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
421 if (n_out > 0 && n > 0)
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
422 {
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
423 retval.resize (n_out, n);
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
424
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
425 for (octave_idx_type i = 0; i < n; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
426 retval.elem (0, i) = x.elem (i);
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
427
20229
5dfaaaae784f Deprecate Array::capacity() and Sparse::capacity() for numel() and nzmax().
Carnë Draug <carandraug@octave.org>
parents: 19697
diff changeset
428 octave_idx_type n_crit = tcrit.numel ();
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
429
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
430 if (n_crit > 0)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
431 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
432 octave_idx_type i_crit = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
433 octave_idx_type i_out = 1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
434 double next_crit = tcrit.elem (0);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
435 double next_out;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
436 while (i_out < n_out)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
437 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
438 bool do_restart = false;
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
439
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
440 next_out = tout.elem (i_out);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
441 if (i_crit < n_crit)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
442 next_crit = tcrit.elem (i_crit);
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
443
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
444 octave_idx_type save_output;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
445 double t_out;
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
446
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
447 if (next_crit == next_out)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
448 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
449 set_stop_time (next_crit);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
450 t_out = next_out;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
451 save_output = 1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
452 i_out++;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
453 i_crit++;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
454 do_restart = true;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
455 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
456 else if (next_crit < next_out)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
457 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
458 if (i_crit < n_crit)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
459 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
460 set_stop_time (next_crit);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
461 t_out = next_crit;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
462 save_output = 0;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
463 i_crit++;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
464 do_restart = true;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
465 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
466 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
467 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
468 clear_stop_time ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
469 t_out = next_out;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
470 save_output = 1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
471 i_out++;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
472 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
473 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
474 else
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
475 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
476 set_stop_time (next_crit);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
477 t_out = next_out;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
478 save_output = 1;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
479 i_out++;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
480 }
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
481
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
482 ColumnVector x_next = do_integrate (t_out);
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
483
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
484 if (integration_error)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
485 return retval;
258
1c9a678906fb [project @ 1993-12-14 06:24:04 by jwe]
jwe
parents: 238
diff changeset
486
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
487 if (save_output)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
488 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
489 for (octave_idx_type i = 0; i < n; i++)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
490 retval.elem (i_out-1, i) = x_next.elem (i);
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
491 }
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
492
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
493 if (do_restart)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
494 force_restart ();
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
495 }
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
496 }
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
497 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
498 {
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
499 retval = do_integrate (tout);
258
1c9a678906fb [project @ 1993-12-14 06:24:04 by jwe]
jwe
parents: 238
diff changeset
500
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
501 if (integration_error)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
502 return retval;
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
503 }
3
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
504 }
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
505
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
506 return retval;
9a4c07481e61 [project @ 1993-08-08 01:20:23 by jwe]
jwe
parents:
diff changeset
507 }