Mercurial > octave-nkf
annotate liboctave/numeric/base-de.h @ 20595:c1a6c31ac29a
eliminate more simple uses of error_state
* ov-classdef.cc: Eliminate simple uses of error_state.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Tue, 06 Oct 2015 00:20:02 -0400 |
| parents | 5dfaaaae784f |
| children |
| rev | line source |
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| 1843 | 1 /* |
| 2 | |
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maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
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3 Copyright (C) 1996-2015 John W. Eaton |
| 1843 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 1843 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 1843 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_base_de_h) | |
| 24 #define octave_base_de_h 1 | |
| 25 | |
| 3995 | 26 #include <string> |
| 27 | |
| 1843 | 28 #include "dColVector.h" |
| 29 #include "dMatrix.h" | |
| 30 | |
| 1879 | 31 class |
| 32 base_diff_eqn | |
| 1843 | 33 { |
| 34 public: | |
| 35 | |
| 3995 | 36 base_diff_eqn (void) |
| 37 : x (), t (0.0), stop_time (0.0), stop_time_set (false), | |
|
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38 restart (true), integration_error (false), istate (0) { } |
| 1843 | 39 |
| 3995 | 40 base_diff_eqn (const ColumnVector& xx, double tt) |
| 41 : x (xx), t (tt), stop_time (0.0), stop_time_set (false), | |
| 3997 | 42 restart (true), integration_error (false), istate (0) { } |
| 1843 | 43 |
| 3995 | 44 base_diff_eqn (const base_diff_eqn& a) |
| 45 : x (a.x), t (a.t), stop_time (0.0), stop_time_set (false), | |
| 3997 | 46 restart (true), integration_error (false), istate (0) { } |
| 1843 | 47 |
| 48 virtual ~base_diff_eqn (void) { } | |
| 49 | |
| 50 base_diff_eqn& operator = (const base_diff_eqn& a) | |
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51 { |
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52 if (this != &a) |
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53 { |
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54 x = a.x; |
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55 t = a.t; |
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56 stop_time = a.stop_time; |
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57 stop_time_set = a.stop_time_set; |
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58 restart = a.restart; |
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59 integration_error = a.integration_error; |
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60 istate = a.istate; |
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61 } |
| 3995 | 62 |
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63 return *this; |
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64 } |
| 1843 | 65 |
| 3984 | 66 void initialize (const ColumnVector& x0, double t0) |
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67 { |
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68 x = x0; |
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69 t = t0; |
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70 integration_error = false; |
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71 istate = 0; |
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72 force_restart (); |
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73 } |
| 1843 | 74 |
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75 octave_idx_type size (void) const { return x.numel (); } |
| 1843 | 76 |
| 77 ColumnVector state (void) const { return x; } | |
| 78 | |
| 79 double time (void) const { return t; } | |
| 80 | |
| 4277 | 81 void set_stop_time (double tt) |
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82 { |
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83 stop_time_set = true; |
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84 stop_time = tt; |
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85 force_restart (); |
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86 } |
| 3995 | 87 |
| 4049 | 88 void clear_stop_time (void) |
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89 { |
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90 stop_time_set = false; |
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91 force_restart (); |
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92 } |
| 3995 | 93 |
| 94 virtual void force_restart (void) { restart = true; } | |
| 95 | |
| 96 bool integration_ok (void) const { return ! integration_error; } | |
| 97 | |
| 5275 | 98 octave_idx_type integration_state (void) const { return istate; } |
| 3997 | 99 |
| 3995 | 100 virtual std::string error_message (void) const = 0; |
| 101 | |
| 1843 | 102 protected: |
| 103 | |
| 104 ColumnVector x; | |
| 3995 | 105 |
| 1843 | 106 double t; |
| 3995 | 107 |
| 108 double stop_time; | |
| 109 | |
| 110 bool stop_time_set; | |
| 111 | |
| 112 bool restart; | |
| 113 | |
| 114 bool integration_error; | |
| 3997 | 115 |
| 5275 | 116 octave_idx_type istate; |
| 1843 | 117 }; |
| 118 | |
| 119 #endif |