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odex_integrator.h
1 /* Copyright (C) 2004-2006 Martin Förg
2 
3  * This library is free software; you can redistribute it and/or
4  * modify it under the terms of the GNU Lesser General Public
5  * License as published by the Free Software Foundation; either
6  * version 2.1 of the License, or (at your option) any later version.
7  *
8  * This library is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11  * Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public
14  * License along with this library; if not, write to the Free Software
15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16 
17  *
18  * Contact:
19  * martin.o.foerg@googlemail.com
20  *
21  */
22 
23 #ifndef _ODEX_INTEGRATOR_H_
24 #define _ODEX_INTEGRATOR_H_
25 
26 #include "integrator.h"
27 
28 namespace MBSimIntegrator {
29 
33  class ODEXIntegrator : public Integrator {
34 
35  private:
36 
37  static void fzdot(int* n, double* t, double* z, double* zd, double* rpar, int* ipar);
38  static void plot(int* nr, double* told, double* t,double* z, int* n, double* con, int *ncon, int* icomp, int* nd, double* rpar, int* ipar, int* irtrn);
39 
40  static double tPlot;
41  static double dtOut;
42  static std::ofstream integPlot;
43  static double s0;
44  static double time;
45  static bool output_;
46 
52  double dt0;
54  int maxSteps;
55 
56  public:
57 
59  ~ODEXIntegrator() {}
60 
61  void setAbsoluteTolerance(const fmatvec::Vec &aTol_) {aTol = aTol_;}
62  void setAbsoluteTolerance(double aTol_) {aTol = fmatvec::Vec(1,fmatvec::INIT,aTol_);}
63  void setRelativeTolernace(const fmatvec::Vec &rTol_) {rTol = rTol_;}
64  void setRelativeTolernace(double rTol_) {rTol = fmatvec::Vec(1,fmatvec::INIT,rTol_);}
65  void setInitialStepSize(double dt0_) {dt0 = dt0_;}
66 
67 
69 
70  };
71 
72 }
73 
74 #endif
Vector< Ref, double > Vec
solver interface for modelling and simulation of dynamic systems
Definition: dynamic_system_solver.h:48
int maxSteps
Definition: odex_integrator.h:54
fmatvec::Vec rTol
Definition: odex_integrator.h:50
ODE-Integrator ODEX.
Definition: odex_integrator.h:33
void integrate(MBSim::DynamicSystemSolver &system)
start the integration
Definition: odex_integrator.cc:77
fmatvec::Vec aTol
Definition: odex_integrator.h:48
integrator-interface for dynamic systems
Definition: integrator.h:40
double dt0
Definition: odex_integrator.h:52
static DynamicSystemSolver * system
dynamic system
Definition: solver.h:65

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