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/*
* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ENGINE_INTERFACE_FDTD_H
#define ENGINE_INTERFACE_FDTD_H
#include <cmath>
#include "Common/engine_interface_base.h"
#include "operator.h"
#include "engine.h"
class Engine_Interface_FDTD : public Engine_Interface_Base
{
public:
Engine_Interface_FDTD(Operator* op);
virtual ~Engine_Interface_FDTD();
//! Set the FDTD operator
virtual void SetFDTDOperator(Operator* op) {SetOperator(op); m_Op=op;}
//! Set the FDTD engine
virtual void SetFDTDEngine(Engine* eng) {m_Eng=eng;}
//! Get the FDTD engine in case direct access is needed. Direct access is not recommended!
const Engine* GetFDTDEngine() const {return m_Eng;}
//! Get the FDTD operator in case direct access is needed. Direct access is not recommended!
const Operator* GetFDTDOperator() const {return m_Op;}
virtual double* GetEField(const unsigned int* pos, double* out) const;
virtual double* GetHField(const unsigned int* pos, double* out) const;
virtual double* GetJField(const unsigned int* pos, double* out) const;
virtual double* GetRotHField(const unsigned int* pos, double* out) const;
virtual double CalcVoltageIntegral(const unsigned int* start, const unsigned int* stop) const;
virtual double GetTime(bool dualTime=false) const {return ((double)m_Eng->GetNumberOfTimesteps() + (double)dualTime*0.5)*m_Op->GetTimestep();};
virtual unsigned int GetNumberOfTimesteps() const {return m_Eng->GetNumberOfTimesteps();}
virtual double CalcFastEnergy() const;
protected:
Operator* m_Op;
Engine* m_Eng;
//! Internal method to get an interpolated field of a given type. (0: E, 1: J, 2: rotH)
virtual double* GetRawInterpolatedField(const unsigned int* pos, double* out, int type) const;
//! Internal method to get a raw field of a given type. (0: E, 1: J, 2: rotH)
virtual double GetRawField(unsigned int n, const unsigned int* pos, int type) const;
};
#endif // ENGINE_INTERFACE_FDTD_H
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