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#include <kel/lbm/lbm.hpp>
#include <forstio/remote/sycl/sycl.hpp>
namespace kel {
namespace lbm {
namespace sch {
using namespace saw::schema;
using T = Float32;
using Desc = Descriptor<3u,27u>;
using DfCell = Cell<T, Desc, 0u, 0u, 1u>;
using CellInfo = Cell<UInt8, Desc, 1u, 0u, 0u>;
using CellStruct = Struct<
Member<DfCell, "dfs">,
Member<DfCell, "dfs_old">,
//Member<CellForceField<Desc>, "force">,
Member<CellInfo, "info">
>;
}
template<typename StructFieldSchema>
saw::error_or<void> set_geometry(saw::data<StructFieldSchema>& latt){
using namespace kel::lbm;
auto meta = latt.meta();
/**
* Set ghost
*/
iterator<sch::Desc::D>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,sch::Desc::D>>& index){
auto& cell = latt.at(index);
auto& info = cell.template get<"info">();
info({0u}).set(0u);
}, {{0u,0u}}, meta);
saw::data<sch::FixedArray<sch::UInt64,sch::Desc::D>> distance;
/**
* Set wall
*/
iterator<1u>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,1u>>& index){
distance.at(index.at({0u})) = {1u};
},{{0u}},{{sch::Desc::D}});
/*
*/
iterator<sch::Desc::D>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,sch::Desc::D>>& index){
auto& cell = latt.at(index);
auto& info = cell.template get<"info">();
info({0u}).set(2u);
}, {}, meta, distance);
/**
* Set fluid
*/
iterator<1u>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,1u>>& index){
distance.at(index.at({0u})) = {2u};
},{{0u}},{{sch::Desc::D}});
/*
*/
iterator<sch::Desc::D>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,sch::Desc::D>>& index){
auto& cell = latt.at(index);
auto& info = cell.template get<"info">();
info({0u}).set(1u);
}, {}, meta, distance);
/**
* Set inflow
*/
saw::data<sch::FixedArray<sch::UInt64,sch::Desc::D>> shifted_point;
iterator<1u>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,1u>>& index){
distance.at(index.at({0u})) = (index.at({0u}).get() == 0u)?1u:2u;
shifted_point.at(index.at({0u})) = (index.at({0u}).get() == 0u)?3u:meta.at({index.at({0u})});
},{{0u}},{{sch::Desc::D}});
/*
*/
iterator<sch::Desc::D>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,sch::Desc::D>>& index){
auto& cell = latt.at(index);
auto& info = cell.template get<"info">();
info({0u}).set(3u);
}, {}, shifted_point, distance);
/**
* Set outflow
*/
iterator<1u>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,1u>>& index){
distance.at(index.at({0u})) = (index.at({0u}).get() == 0u)?1u:2u;
shifted_point.at(index.at({0u})) = (index.at({0u}).get() == 0u)?(meta.at({0u})-3u):0u;
},{{0u}},{{sch::Desc::D}});
/*
*/
iterator<sch::Desc::D>::apply([&](const saw::data<sch::FixedArray<sch::UInt64,sch::Desc::D>>& index){
auto& cell = latt.at(index);
auto& info = cell.template get<"info">();
info({0u}).set(4u);
}, shifted_point, meta, distance);
return saw::make_void();
}
saw::error_or<void> set_initial_conditions(saw::data<StructFieldSchema>& latt){
return saw::make_void();
}
saw::error_or<void> lbm_step(saw::data<StructFieldSchema>& latt){
return saw::make_void();
}
saw::error_or<void> real_main(int argc, char** argv){
using dfi = df_info<sch::T,sch::Desc>;
converter<sch::T> conv {
{0.1f},
{0.1f}
};
print_lbm_meta<sch::T,sch::Desc>(conv, {1e-3f});
/**
* Set the meta and initialize the lattice
*/
saw::data<sch::FixedArray<sch::UInt64,sch::Desc::D>> meta{{2048u,128u,128u}};
saw::data<sch::CellField<sch::Desc,sch::CellStruct>, encode::Sycl<encode::Native>> lattice{meta};
/**
* Set the geometry
*/
auto eov = set_geometry(lattice);
if(eov.is_error()){
return eov;
}
/**
* Set initial conditions in the simulations
*/
auto eov = set_initial_conditions(lattice);
if(eov.is_error()){
return eov;
}
for(uint64_t i = 0u; i < 1024u*32; ++i){
auto eov = lbm_step(lattice);
if(eov.is_error()){
return eov;
}
}
return saw::make_void();
}
} // lbm
} // kel
/**
* main, but I don't like the error handling
*/
int main(int argc, char** argv){
auto eov = kel::lbm::real_main(argc, argv);
if(eov.is_error()){
auto& err = eov.get_error();
auto err_msg = err.get_message();
std::cerr<<"[Error]: "<<err.get_category();
if(not err_msg.empty()){
std::cerr<<" - "<<err_msg;
}
std::cerr<<std::endl;
return err.get_id();
}
return 0;
}
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