Hamiltonian.h

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// Copyright András Vukics 2006–2014. Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE.txt)
// -*- C++ -*-
#ifndef CPPQEDCORE_STRUCTURE_HAMILTONIAN_H_INCLUDED
#define CPPQEDCORE_STRUCTURE_HAMILTONIAN_H_INCLUDED

#include "HamiltonianFwd.h"

#include "TimeDependence.h"
#include "Types.h"

#include <boost/shared_ptr.hpp>


namespace structure {



template<int RANK>
class Hamiltonian : private quantumdata::Types<RANK>
{
public:
  typedef boost::shared_ptr<const Hamiltonian> Ptr;

  typedef typename quantumdata::Types<RANK>::StateVectorLow StateVectorLow;


  void addContribution(double t, 
                       const StateVectorLow& psi, 
                       StateVectorLow& dpsidt, 
                       double t0 
                      ) const
                       {addContribution_v(t,psi,dpsidt,t0);}

  virtual ~Hamiltonian() {}

private:
  virtual void addContribution_v(double, const StateVectorLow&, StateVectorLow&, double) const = 0; 

};


template<int RANK, TimeDependence TD>
class HamiltonianTimeDependenceDispatched : public Hamiltonian<RANK>
{
public:
  typedef typename Hamiltonian<RANK>::StateVectorLow StateVectorLow;
  
  typedef typename time::Dispatcher<TD>::type Time; 

private:
  virtual void addContribution_v(double t, const StateVectorLow& psi, StateVectorLow& dpsidt, double t0) const final
  {
    addContribution_v(Time(t,t0),psi,dpsidt);
  }

  virtual void addContribution_v(Time, const StateVectorLow&, StateVectorLow&) const = 0;

};


} // structure

#endif // CPPQEDCORE_STRUCTURE_HAMILTONIAN_H_INCLUDED