main.cpp
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	#include <iostream>
	#include <sstream>

	#include "simulation.h"

	#define G 127267.200000000 // Gravity, 9.82(3.6)^21000 in [km / hr^2]
	#define SIZE 500 // Size of map, Size*Size [km]
	#define NX 2001 // Number of cells in each direction on the grid
	#define TEND 0.20 // Simulation time in hours [hr]
	#define DIR "../MatlabSource/"


	int main () {

	double DX = SIZE*1.0/NX;

	std::cout << G << " " << SIZE << " " << NX << " " << TEND << " dx: "<< DX << std::endl;
	Simulation simu(NX,G,SIZE,TEND,DX, DIR);

	float l2;
	int k;
	std::tie(l2, k) = simu.compute();

	std::cout <<"nb steps " << k << " [l2 = " << l2 << "]"
	<< std::endl;

	return 0;
	}