VTK: dox/Common/Math/vtkInitialValueProblemSolver.h Source File

Go to the documentation of this file.
00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    vtkInitialValueProblemSolver.h
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00031 #ifndef __vtkInitialValueProblemSolver_h
00032 #define __vtkInitialValueProblemSolver_h
00033 
00034 #include "vtkCommonMathModule.h" // For export macro
00035 #include "vtkObject.h"
00036 
00037 class vtkFunctionSet;
00038 
00039 class VTKCOMMONMATH_EXPORT vtkInitialValueProblemSolver : public vtkObject
00040 {
00041 public:
00042   vtkTypeMacro(vtkInitialValueProblemSolver,vtkObject);
00043   virtual void PrintSelf(ostream& os, vtkIndent indent);
00044 
00046 
00060   virtual int ComputeNextStep(double* xprev, double* xnext, double t,
00061                               double& delT, double maxError,
00062                               double& error)
00063     {
00064       double minStep = delT;
00065       double maxStep = delT;
00066       double delTActual;
00067       return this->ComputeNextStep(xprev, 0, xnext, t, delT, delTActual,
00068                                    minStep, maxStep, maxError, error);
00069     }
00070   virtual int ComputeNextStep(double* xprev, double* dxprev, double* xnext,
00071                               double t, double& delT, double maxError,
00072                               double& error)
00073     {
00074       double minStep = delT;
00075       double maxStep = delT;
00076       double delTActual;
00077       return this->ComputeNextStep(xprev, dxprev, xnext, t, delT, delTActual,
00078                                    minStep, maxStep, maxError, error);
00079     }
00080   virtual int ComputeNextStep(double* xprev, double* xnext,
00081                               double t, double& delT, double& delTActual,
00082                               double minStep, double maxStep,
00083                               double maxError, double& error)
00084     {
00085       return this->ComputeNextStep(xprev, 0, xnext, t, delT, delTActual,
00086                                    minStep, maxStep, maxError, error);
00087     }
00088   virtual int ComputeNextStep(double* xprev, double* dxprev, double* xnext,
00089                               double t, double& delT, double& delTActual,
00090                               double minStep, double maxStep,
00091                               double maxError, double& error) = 0;
00093 
00095 
00096   virtual void SetFunctionSet(vtkFunctionSet* functionset);
00097   vtkGetObjectMacro(FunctionSet,vtkFunctionSet);
00099 
00101   virtual int IsAdaptive() { return this->Adaptive; }
00102 
00103 //BTX
00104   enum ErrorCodes
00105   {
00106     OUT_OF_DOMAIN = 1,
00107     NOT_INITIALIZED = 2,
00108     UNEXPECTED_VALUE = 3
00109   };
00110 //ETX
00111 
00112 protected:
00113   vtkInitialValueProblemSolver();
00114   ~vtkInitialValueProblemSolver();
00115 
00116   virtual void Initialize();
00117 
00118   vtkFunctionSet* FunctionSet;
00119 
00120   double* Vals;
00121   double* Derivs;
00122   int Initialized;
00123   int Adaptive;
00124 
00125 private:
00126   vtkInitialValueProblemSolver(const vtkInitialValueProblemSolver&);  // Not implemented.
00127   void operator=(const vtkInitialValueProblemSolver&);  // Not implemented.
00128 };
00129 
00130 #endif
00131 
00132 
00133 
00134