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main.cc
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Thu, Apr 25, 17:47

main.cc
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#include "compute_gravity.hh"
#include "compute_verlet_integration.hh"
#include "csv_reader.hh"
#include "csv_writer.hh"
#include "my_types.hh"
#include "ping_pong_balls_factory.hh"
#include "material_points_factory.hh"
#include "planets_factory.hh"
#include "system.hh"
/* -------------------------------------------------------------------------- */
#include <cstdlib>
#include <iostream>
#include <sstream>
/* -------------------------------------------------------------------------- */
int main(int argc, char** argv) {
if (argc != 6) {
std::cout << "Usage: " << argv[0]
<< " nsteps dump_freq input.csv particle_type timestep"
<< std::endl;
std::cout << "\tparticle type can be: planet, ping_pong, material_point" << std::endl;
std::exit(EXIT_FAILURE);
}
// the number of steps to perform
Real nsteps;
std::stringstream(argv[1]) >> nsteps;
// freq to dump
int freq;
std::stringstream(argv[2]) >> freq;
// init file
std::string filename = argv[3];
// particle type
std::string type = argv[4];
// timestep
Real timestep;
std::stringstream(argv[5]) >> timestep;
if (type == "planet")
PlanetsFactory::getInstance();
else if (type == "ping_pong")
PingPongBallsFactory::getInstance();
else if (type == "material_point")
MaterialPointsFactory::getInstance();
else {
std::cout << "Unknown particle type: " << type << std::endl;
std::exit(EXIT_FAILURE);
}
ParticlesFactoryInterface& factory = ParticlesFactoryInterface::getInstance();
SystemEvolution& evol = factory.createSimulation(filename, timestep);
evol.setNSteps(nsteps);
evol.setDumpFreq(freq);
evol.evolve();
return EXIT_SUCCESS;
}

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