BDFMats.h

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// $Id$
//==============================================================================
//==============================================================================
 
#ifndef _BDF_MATS_H
#define _BDF_MATS_H
 
#include "ElmMats.h"
#include "BDF.h"
 
 
class BDFMats : public ElmMats
{
public:
  explicit BDFMats(const TimeIntegration::BDFD2& scheme) : bdf(scheme), h(0.0) {}
  virtual ~BDFMats() {}
 
  virtual void setStepSize(double dt, int) { h = dt; }
 
  virtual const Matrix& getNewtonMatrix() const;
  virtual const Vector& getRHSVector() const;
 
protected:
  TimeIntegration::BDFD2 bdf; 
  double                 h;   
};
 
#endif