simulation.h
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	//
	// Created by Arnaud Pannatier on 06.05.18.
	// Based on the code of :
	// - Nicolas Richart <nicolas.richart@epfl.ch>
	// - Vincent Keller <vincent.keller@epfl.ch>
	// - Vittoria Rezzonico <vittoria.rezzonico@epfl.ch>
	// See the files AUTHORS and COPYRIGHT for the concerning information
	//

	#ifndef PHPCTSUNAMIPROJECT_SIMULATION_H
	#define PHPCTSUNAMIPROJECT_SIMULATION_H

	#include <tuple>
	#include <string>
	#include "double_buffer.h"
	#include "grid.h"

	class Simulation {
	public:
	Simulation(std::size_t NX_,double G_, int SIZE_,double TEND_, double DX_, std::string dir_);

	void readInitialConditionsFromFile();
	void writeResultsToFile();

	/// perform the simulation
	std::tuple<double, int> compute();


	inline std::size_t m(){ return NX; };
	inline std::size_t n(){ return NY; };


	protected:
	/// compute one step and return an error
	void compute_step();
	void compute_mu_and_set_dt ();

	private:
	/// Global problem size
	std::size_t NX,NY;
	std::string dir;
	double G, TEND, DX, dt, T,nt;
	int SIZE;
	DoubleBuffer H, HV,HU;
	Grid Zdx,Zdy;

	};


	#endif //PHPCTSUNAMIPROJECT_SIMULATION_H