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1 // NLEqn.h -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 1993, 1994, 1995 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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24 #if !defined (octave_NLEqn_h) |
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25 #define octave_NLEqn_h 1 |
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26 |
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27 #if defined (__GNUG__) |
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28 #pragma interface |
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29 #endif |
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30 |
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31 #include "dColVector.h" |
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32 #include "NLFunc.h" |
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33 |
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34 #ifndef Vector |
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35 #define Vector ColumnVector |
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36 #endif |
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37 |
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38 class NLEqn_options |
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39 { |
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40 public: |
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41 |
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42 NLEqn_options (void); |
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43 NLEqn_options (const NLEqn_options& opt); |
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44 |
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45 NLEqn_options& operator = (const NLEqn_options& opt); |
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46 |
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47 ~NLEqn_options (void); |
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48 |
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49 void init (void); |
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50 void copy (const NLEqn_options& opt); |
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51 |
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52 void set_default_options (void); |
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53 |
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54 void set_tolerance (double); |
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55 |
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56 double tolerance (void); |
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57 |
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58 private: |
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59 |
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60 double x_tolerance; |
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61 }; |
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62 |
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63 class NLEqn : public NLFunc, public NLEqn_options |
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64 { |
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65 public: |
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66 |
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67 NLEqn (void); |
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68 NLEqn (const Vector&, const NLFunc); |
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69 |
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70 NLEqn (const NLEqn &); |
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71 |
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72 NLEqn& operator = (const NLEqn& a); |
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73 |
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74 void resize (int); |
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75 |
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76 void set_states (const Vector&); |
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77 |
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78 Vector states (void) const; |
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79 |
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80 int size (void) const; |
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81 |
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82 Vector solve (void); |
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83 Vector solve (const Vector&); |
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84 |
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85 Vector solve (int& info); |
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86 Vector solve (const Vector&, int& info); |
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87 |
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88 private: |
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89 |
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90 int n; |
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91 Vector x; |
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92 |
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93 void error (const char* msg); |
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94 }; |
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95 |
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96 #endif |
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97 |
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98 /* |
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99 ;;; Local Variables: *** |
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100 ;;; mode: C++ *** |
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101 ;;; page-delimiter: "^/\\*" *** |
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102 ;;; End: *** |
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103 */ |
