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Revision 977 - (show annotations) (download) (as text)
Wed Dec 20 00:39:52 2006 UTC (17 years, 8 months ago) by johnpye
File MIME type: text/x-chdr
File size: 2845 byte(s)
Abstracted the internal integrator calls into a struct IntegratorInternals.
Fixed up compile-time list of integrators.
If IDA is not available, then 'INTEG_IDA' will not be defined.
Added ASC_ASSERT_RANGE for assertions x in [low,high).
Changed calling convention for integrator_get_engines().
1 /* ASCEND modelling environment
2 Copyright (C) 2006 Carnegie Mellon University
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
7 any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA.
18 *//** @file
19 C++ wrapper for the Integrator interface. Intention is that this will allow
20 us to use the PyGTK 'observer' tab to receive the results of an integration
21 job, which can then be easily exported to a spreadsheet for plotting (or
22 we can implement ASCPLOT style plotting, perhaps).
23 */
24 #ifndef ASCXX_INTEGRATOR_H
25 #define ASCXX_INTEGRATOR_H
26
27 #include <string>
28 #include <map>
29 #include <vector>
30
31 #include "config.h"
32 extern "C"{
33 #include <solver/integrator.h>
34 #include <solver/samplelist.h>
35 }
36
37 const int LSODE = INTEG_LSODE;
38 #ifdef ASC_WITH_IDA
39 const int IDA = INTEG_IDA;
40 #endif
41
42 #include "simulation.h"
43 #include "units.h"
44 #include "integratorreporter.h"
45 #include "variable.h"
46
47 class Integrator{
48 friend class IntegratorReporterCxx;
49 friend class IntegratorReporterConsole;
50
51 public:
52 Integrator(Simulation &);
53 ~Integrator();
54
55 static std::map<int,std::string> getEngines();
56 void setEngine(IntegratorEngine engine);
57 void setEngine(int engine);
58 void setEngine(const std::string &name);
59 std::string getEngineName() const;
60
61 SolverParameters getParameters() const;
62 void setParameters(const SolverParameters &);
63
64 void setReporter(IntegratorReporterCxx *reporter);
65
66 void setMinSubStep(double);
67 void setMaxSubStep(double);
68 void setInitialSubStep(double);
69 void setMaxSubSteps(int);
70
71 void setLinearTimesteps(UnitsM units, double start, double end, unsigned long num);
72 void setLogTimesteps(UnitsM units, double start, double end, unsigned long num);
73 std::vector<double> getCurrentObservations();
74 Variable getObservedVariable(const long &i);
75 Variable getIndependentVariable();
76
77 int findIndependentVar(); /** find the independent variable (must not presume a certain choice of integration engine) */
78 int analyse(); /** analysis gives you details about what your variables are etc */
79 void solve();
80
81 double getCurrentTime();
82 long getCurrentStep();
83 long getNumSteps();
84 int getNumVars();
85 int getNumObservedVars();
86
87 protected:
88 IntegratorSystem *getInternalType();
89 private:
90 Simulation &simulation;
91 SampleList *samplelist;
92 IntegratorSystem *blsys;
93 };
94
95 #endif

john.pye@anu.edu.au
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