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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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_DASRT_h) |
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24 #define octave_DASRT_h 1 |
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25 |
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26 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <cfloat> |
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31 #include <cmath> |
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32 |
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33 #include "DASRT-opts.h" |
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34 |
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35 class |
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36 DASRT_result |
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37 { |
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38 public: |
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39 |
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40 DASRT_result (void) { } |
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41 |
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42 DASRT_result (const Matrix& xx, const Matrix& xxdot, const ColumnVector& tt) |
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43 : x (xx), xdot (xxdot), t (tt) { } |
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44 |
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45 DASRT_result (const DASRT_result& r) |
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46 : x (r.x), xdot (r.xdot), t (r.t) { } |
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47 |
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48 DASRT_result& operator = (const DASRT_result& r) |
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49 { |
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50 if (this != &r) |
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51 { |
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52 x = r.x; |
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53 xdot = r.xdot; |
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54 t = r.t; |
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55 } |
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56 return *this; |
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57 } |
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58 |
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59 ~DASRT_result (void) { } |
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60 |
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61 Matrix state (void) const { return x; } |
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62 Matrix deriv (void) const { return xdot; } |
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63 ColumnVector times (void) const { return t; } |
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64 |
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65 private: |
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66 |
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67 Matrix x; |
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68 Matrix xdot; |
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69 ColumnVector t; |
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70 }; |
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71 |
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72 class |
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73 DASRT : public DAERT, public DASRT_options |
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74 { |
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75 public: |
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76 |
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77 DASRT (void) : DAERT (), DASRT_options (), initialized (false) { } |
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78 |
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79 DASRT (const ColumnVector& s, double tm, DAERTFunc& f) |
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80 : DAERT (s, tm, f), DASRT_options (), initialized (false) { } |
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81 |
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82 DASRT (const ColumnVector& s, const ColumnVector& deriv, |
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83 double tm, DAERTFunc& f) |
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84 : DAERT (s, deriv, tm, f), DASRT_options (), initialized (false) { } |
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85 |
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86 ~DASRT (void) { } |
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87 |
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88 DASRT_result integrate (const ColumnVector& tout); |
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89 |
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90 DASRT_result integrate (const ColumnVector& tout, |
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91 const ColumnVector& tcrit); |
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92 |
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93 std::string error_message (void) const; |
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94 |
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95 private: |
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96 |
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97 bool initialized; |
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98 |
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99 int liw; |
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100 int lrw; |
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101 |
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102 int ng; |
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103 |
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104 Array<int> info; |
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105 Array<int> iwork; |
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106 Array<int> jroot; |
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107 |
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108 Array<double> rwork; |
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109 |
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110 Array<double> abs_tol; |
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111 Array<double> rel_tol; |
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112 |
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113 double *px; |
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114 double *pxdot; |
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115 double *pabs_tol; |
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116 double *prel_tol; |
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117 int *pinfo; |
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118 int *piwork; |
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119 double *prwork; |
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120 int *pjroot; |
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121 |
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122 void integrate (double t); |
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123 }; |
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124 |
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125 #endif |
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126 |
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127 /* |
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128 ;;; Local Variables: *** |
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129 ;;; mode: C++ *** |
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130 ;;; End: *** |
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131 */ |
