Common/vtkInitialValueProblemSolver.h Source File

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# Common/vtkInitialValueProblemSolver.h

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    00001 /*=========================================================================
    00002
    00003   Program:   Visualization Toolkit
    00004   Module:    $RCSfile: vtkInitialValueProblemSolver.h,v $
    00005   Language:  C++
    00006
    00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen
    00008   All rights reserved.
    00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
    00010
    00011      This software is distributed WITHOUT ANY WARRANTY; without even
    00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    00013      PURPOSE.  See the above copyright notice for more information.
    00014
    00015 =========================================================================*/
    00046 #ifndef __vtkInitialValueProblemSolver_h
    00047 #define __vtkInitialValueProblemSolver_h
    00048
    00049 #include "vtkObject.h"
    00050
    00051 class vtkFunctionSet;
    00052
    00053 class VTK_COMMON_EXPORT vtkInitialValueProblemSolver : public vtkObject
    00054 {
    00055 public:
    00056   vtkTypeRevisionMacro(vtkInitialValueProblemSolver,vtkObject);
    00057   virtual void PrintSelf(ostream& os, vtkIndent indent);
    00058
    00060
    00074   virtual int ComputeNextStep(float* xprev, float* xnext, float t,
    00075                               float& delT, float maxError,
    00076                               float& error)
    00077     {
    00078       float minStep = delT;
    00079       float maxStep = delT;
    00080       float delTActual;
    00081       return this->ComputeNextStep(xprev, 0, xnext, t, delT, delTActual,
    00082                                    minStep, maxStep, maxError, error);
    00083     }
    00084   virtual int ComputeNextStep(float* xprev, float* dxprev, float* xnext,
    00085                               float t, float& delT, float maxError,
    00086                               float& error)
    00087     {
    00088       float minStep = delT;
    00089       float maxStep = delT;
    00090       float delTActual;
    00091       return this->ComputeNextStep(xprev, dxprev, xnext, t, delT, delTActual,
    00092                                    minStep, maxStep, maxError, error);
    00093     }
    00094   virtual int ComputeNextStep(float* xprev, float* xnext,
    00095                               float t, float& delT, float& delTActual,
    00096                               float minStep, float maxStep,
    00097                               float maxError, float& error)
    00098     {
    00099       return this->ComputeNextStep(xprev, 0, xnext, t, delT, delTActual,
    00100                                    minStep, maxStep, maxError, error);
    00101     }
    00102   virtual int ComputeNextStep(float* xprev, float* dxprev, float* xnext,
    00103                               float t, float& delT, float& delTActual,
    00104                               float minStep, float maxStep,
    00105                               float maxError, float& error) = 0;
    00107
    00109
    00110   virtual void SetFunctionSet(vtkFunctionSet* functionset);
    00111   vtkGetObjectMacro(FunctionSet,vtkFunctionSet);
    00113
    00115   virtual int IsAdaptive() { return this->Adaptive; }
    00116
    00117 //BTX
    00118   enum ErrorCodes
    00119   {
    00120     OUT_OF_DOMAIN = 1,
    00121     NOT_INITIALIZED = 2,
    00122     UNEXPECTED_VALUE = 3
    00123   };
    00124 //ETX
    00125
    00126 protected:
    00127   vtkInitialValueProblemSolver();
    00128   ~vtkInitialValueProblemSolver();
    00129
    00130   virtual void Initialize();
    00131
    00132   vtkFunctionSet* FunctionSet;
    00133
    00134   float* Vals;
    00135   float* Derivs;
    00136   int Initialized;
    00137   int Adaptive;
    00138
    00139 private:
    00140   vtkInitialValueProblemSolver(const vtkInitialValueProblemSolver&);  // Not implemented.
    00141   void operator=(const vtkInitialValueProblemSolver&);  // Not implemented.
    00142 };
    00143
    00144 #endif
    00145
    00146
    00147
    00148