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1 /* |
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2 |
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3 Copyright (C) 2002 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 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_DASRT_h) |
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25 #define octave_DASRT_h 1 |
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26 |
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27 #include <cfloat> |
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28 #include <cmath> |
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29 |
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30 #include "DASRT-opts.h" |
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31 |
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32 class |
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33 DASRT_result |
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34 { |
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35 public: |
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36 |
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37 DASRT_result (void) { } |
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38 |
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39 DASRT_result (const Matrix& xx, const Matrix& xxdot, const ColumnVector& tt) |
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40 : x (xx), xdot (xxdot), t (tt) { } |
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41 |
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42 DASRT_result (const DASRT_result& r) |
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43 : x (r.x), xdot (r.xdot), t (r.t) { } |
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44 |
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45 DASRT_result& operator = (const DASRT_result& r) |
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46 { |
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47 if (this != &r) |
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48 { |
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49 x = r.x; |
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50 xdot = r.xdot; |
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51 t = r.t; |
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52 } |
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53 return *this; |
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54 } |
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55 |
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56 ~DASRT_result (void) { } |
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57 |
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58 Matrix state (void) const { return x; } |
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59 Matrix deriv (void) const { return xdot; } |
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60 ColumnVector times (void) const { return t; } |
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61 |
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62 private: |
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63 |
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64 Matrix x; |
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65 Matrix xdot; |
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66 ColumnVector t; |
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67 }; |
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68 |
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69 class |
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70 OCTAVE_API |
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71 DASRT : public DAERT, public DASRT_options |
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72 { |
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73 public: |
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74 |
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75 DASRT (void) : DAERT (), DASRT_options (), initialized (false) { } |
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76 |
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77 DASRT (const ColumnVector& s, double tm, DAERTFunc& f) |
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78 : DAERT (s, tm, f), DASRT_options (), initialized (false) { } |
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79 |
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80 DASRT (const ColumnVector& s, const ColumnVector& deriv, |
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81 double tm, DAERTFunc& f) |
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82 : DAERT (s, deriv, tm, f), DASRT_options (), initialized (false) { } |
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83 |
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84 ~DASRT (void) { } |
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85 |
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86 DASRT_result integrate (const ColumnVector& tout); |
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87 |
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88 DASRT_result integrate (const ColumnVector& tout, |
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89 const ColumnVector& tcrit); |
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90 |
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91 std::string error_message (void) const; |
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92 |
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93 private: |
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94 |
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95 bool initialized; |
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96 |
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97 octave_idx_type liw; |
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98 octave_idx_type lrw; |
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99 |
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100 octave_idx_type ng; |
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101 |
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102 Array<octave_idx_type> info; |
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103 Array<octave_idx_type> iwork; |
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104 Array<octave_idx_type> jroot; |
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105 |
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106 Array<double> rwork; |
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107 |
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108 Array<double> abs_tol; |
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109 Array<double> rel_tol; |
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110 |
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111 double *px; |
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112 double *pxdot; |
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113 double *pabs_tol; |
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114 double *prel_tol; |
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115 octave_idx_type *pinfo; |
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116 octave_idx_type *piwork; |
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117 double *prwork; |
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118 octave_idx_type *pjroot; |
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119 |
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120 void integrate (double t); |
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121 }; |
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122 |
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123 #endif |
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124 |
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125 /* |
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126 ;;; Local Variables: *** |
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127 ;;; mode: C++ *** |
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128 ;;; End: *** |
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129 */ |
