vtkRungeKutta2.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkRungeKutta2.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkRungeKutta2_h
#define vtkRungeKutta2_h

#include "vtkCommonMathModule.h" // For export macro
#include "vtkInitialValueProblemSolver.h"

class VTKCOMMONMATH_EXPORT vtkRungeKutta2 : public vtkInitialValueProblemSolver
{
public:
  vtkTypeMacro(vtkRungeKutta2,vtkInitialValueProblemSolver);

  static vtkRungeKutta2 *New();


  int ComputeNextStep(double* xprev, double* xnext,
                      double t, double& delT,
                      double maxError, double& error) override
  {
      double minStep = delT;
      double maxStep = delT;
      double delTActual;
      return this->ComputeNextStep(xprev, nullptr, xnext, t, delT, delTActual,
                                   minStep, maxStep, maxError, error);
  }
  int ComputeNextStep(double* xprev, double* dxprev, double* xnext,
                      double t, double& delT,
                      double maxError, double& error) override
  {
      double minStep = delT;
      double maxStep = delT;
      double delTActual;
      return this->ComputeNextStep(xprev, dxprev, xnext, t, delT, delTActual,
                                   minStep, maxStep, maxError, error);
  }
  int ComputeNextStep(double* xprev, double* xnext,
                      double t, double& delT, double& delTActual,
                      double minStep, double maxStep,
                      double maxError, double& error) override
  {
      return this->ComputeNextStep(xprev, nullptr, xnext, t, delT, delTActual,
                                   minStep, maxStep, maxError, error);
  }
  int ComputeNextStep(double* xprev, double* dxprev, double* xnext,
                      double t, double& delT, double& delTActual,
                      double minStep, double maxStep,
                      double maxError, double& error) override;

protected:
  vtkRungeKutta2();
  ~vtkRungeKutta2() override;
private:
  vtkRungeKutta2(const vtkRungeKutta2&) = delete;
  void operator=(const vtkRungeKutta2&) = delete;
};

#endif








// VTK-HeaderTest-Exclude: vtkRungeKutta2.h