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pypart.cc
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Fri, Jul 25, 19:22

pypart.cc
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#include <functional>
#include <iostream>
#include <pybind11/pybind11.h>
#include "material_points_factory.hh"
#include "ping_pong_balls_factory.hh"
#include "planets_factory.hh"
#include "compute.hh"
#include "compute_temperature.hh"
#include "compute_gravity.hh"
#include "compute_verlet_integration.hh"
#include "compute_interaction.hh"
#include "csv_writer.hh"
#include "system.hh"
#include "system_evolution.hh"
namespace py = pybind11;
PYBIND11_MODULE(pypart, m) {
m.doc() = "pybind pypart plugin"; // optional docstring
// The member functions of the various classes (used in main.py) are exposed to pybind
// Exercise 1 - Question 1, 2, 3
py::class_<ParticlesFactoryInterface>(m, "ParticlesFactoryInterface")
.def("getInstance", &ParticlesFactoryInterface::getInstance, py::return_value_policy::reference)
.def("createSimulation",(SystemEvolution & (ParticlesFactoryInterface::*)(const std::string &, Real))
&ParticlesFactoryInterface::createSimulation, py::return_value_policy::reference)
.def("createSimulation",py::overload_cast<const std::string &, Real,
py::function>(&ParticlesFactoryInterface::createSimulation<py::function>),
py::return_value_policy::reference)
//.def("createSimulation", &ParticlesFactoryInterface::createSimulation,py::return_value_policy::reference)
//.def("createSimulation",py::overload_cast<const std::string &, Real,py::function>(&ParticlesFactoryInterface::createSimulation<py::function>),py::return_value_policy::reference)
.def_property_readonly("system_evolution", &ParticlesFactoryInterface::getSystemEvolution);
py::class_<MaterialPointsFactory, ParticlesFactoryInterface>(m, "MaterialPointsFactory")
.def("getInstance", &MaterialPointsFactory::getInstance, py::return_value_policy::reference)
.def("createSimulation",py::overload_cast<const std::string &, Real,
py::function>(&ParticlesFactoryInterface::createSimulation<py::function>),
py::return_value_policy::reference);
//.def("createSimulation",(SystemEvolution & (MaterialPointsFactory::*)(const std::string &, Real))&MaterialPointsFactory::createSimulation, py::return_value_policy::reference);
//.def("createSimulation",py::overload_cast<const std::string &, Real,py::function>(&MaterialPointsFactory::createSimulation<py::function>), py::return_value_policy::reference);
py::class_<PingPongBallsFactory, ParticlesFactoryInterface>(m, "PingPongBallsFactory")
.def("getInstance", &PingPongBallsFactory::getInstance, py::return_value_policy::reference);
//.def("createSimulation",py::overload_cast<const std::string &, Real,
// py::function>(&ParticlesFactoryInterface::createSimulation<py::function>),
// py::return_value_policy::reference);
//.def("createSimulation", &PingPongBallsFactory::createSimulation,py::return_value_policy::reference);
py::class_<PlanetsFactory, ParticlesFactoryInterface>(m, "PlanetsFactory")
.def("getInstance", &PlanetsFactory::getInstance, py::return_value_policy::reference);
//.def("createSimulation",py::overload_cast<const std::string &, Real,
// py::function>(&ParticlesFactoryInterface::createSimulation<py::function>),
// py::return_value_policy::reference);
//.def("createSimulation", &PlanetsFactory::createSimulation,py::return_value_policy::reference);
// Exercise 2 - Question 1, 2, 3
py::class_<Compute, std::shared_ptr<Compute>>(m, "Compute"); //To try: for memory conflict problem maybe: std::shared_ptr<Compute> :NO
py::class_<ComputeInteraction, Compute, std::shared_ptr<ComputeInteraction>>(m, "ComputeInteraction");
py::class_<ComputeTemperature, Compute, std::shared_ptr<ComputeTemperature>>(m, "ComputeTemperature") // (tried: py::dynamic_attr())
.def(py::init<>())
.def_property_readonly("conductivity", &ComputeTemperature::getConductivity)
.def_property_readonly("capacity", &ComputeTemperature::getCapacity)
.def_property_readonly("L", &ComputeTemperature::getL)
.def_property_readonly("deltat", &ComputeTemperature::getDeltat);
py::class_<ComputeGravity, Compute, std::shared_ptr<ComputeGravity>>(m, "ComputeGravity")
.def(py::init<>())
.def("setG", &ComputeGravity::setG);
py::class_<ComputeVerletIntegration, Compute, std::shared_ptr<ComputeVerletIntegration>>(m, "ComputeVerletIntegration")
.def(py::init<Real>())
.def("addInteraction", &ComputeVerletIntegration::addInteraction);
// Exercise 3 - Question 1
py::class_<CsvWriter>(m, "CsvWriter")
.def(py::init<const std::string&>())
.def("write", &CsvWriter::write);
py::class_<SystemEvolution>(m, "SystemEvolution") // no heritage but referenced : strange ! system_evolution in main.py !?
.def("evolve", &SystemEvolution::evolve)
.def("addCompute", &SystemEvolution::addCompute)
.def("getSystem", &SystemEvolution::getSystem)
.def("setNSteps", &SystemEvolution::setNSteps)
.def("setDumpFreq", &SystemEvolution::setDumpFreq);
py::class_<System>(m, "System"); // not necessary but added for clarity
}

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