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Diffstat (limited to 'c++/macroscopic.hpp')
| -rw-r--r-- | c++/macroscopic.hpp | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/c++/macroscopic.hpp b/c++/macroscopic.hpp deleted file mode 100644 index 51368e9..0000000 --- a/c++/macroscopic.hpp +++ /dev/null @@ -1,92 +0,0 @@ -#pragma once - -#include "descriptor.hpp" - -namespace kel { -namespace lbm { -/** - * Calculate the macroscopic variables rho and u in Lattice Units. - */ -template<typename T, typename Desc> -void compute_rho_u ( - const saw::data<sch::Cell<T, Desc, 0, 0, 1>>& dfs, - typename saw::native_data_type<T>::type& rho, - std::array<typename saw::native_data_type<T>::type, 2>& vel - ) -{ - using dfi = df_info<T, Desc>; - - rho = 0; - std::fill(vel.begin(), vel.end(), 0); - - for(size_t j = 0; j < Desc::Q; ++j){ - rho += dfs(j).get(); - for(size_t i = 0; i < Desc::D; ++i){ - vel[i] += dfi::directions[j][i] * dfs(j).get(); - } - } - - for(size_t i = 0; i < Desc::D; ++i){ - vel[i] /= rho; - } -} - -/** - * Calculate the macroscopic variables rho and u in Lattice Units. - */ -template<typename T, typename Desc> -void compute_rho_u ( - const saw::data<sch::Cell<T, Desc, 0, 0, 1>>& dfs, - saw::ref<saw::data<T>> rho, - saw::ref<saw::data<sch::FixedArray<T,Desc::D>>> vel - ) -{ - using dfi = df_info<T, Desc>; - - rho().set(0); - for(uint64_t i = 0; i < Desc::D; ++i){ - vel().at({i}).set(0); - } - - for(size_t j = 0; j < Desc::Q; ++j){ - rho() = rho() + dfs(j); - for(size_t i = 0; i < Desc::D; ++i){ - vel().at({i}) = vel().at({i}) + saw::data<T>{static_cast<typename saw::native_data_type<T>::type>(dfi::directions[j][i])} * dfs(j); - } - } - - for(size_t i = 0; i < Desc::D; ++i){ - vel().at({i}) = vel().at({i}) / rho(); - } -} - -/** - * Calculate the macroscopic variables rho and u in Lattice Units. - */ -template<typename T, typename Desc> -void compute_rho_u ( - const saw::data<sch::Cell<T, Desc, 0, 0, 1>>& dfs, - saw::ref<saw::data<T>> rho, - saw::ref<saw::data<sch::Vector<T,Desc::D>>> vel - ) -{ - using dfi = df_info<T, Desc>; - - rho().set(0); - for(uint64_t i = 0; i < Desc::D; ++i){ - vel().at({{i}}).set(0); - } - - for(size_t j = 0; j < Desc::Q; ++j){ - rho() = rho() + dfs(j); - for(size_t i = 0; i < Desc::D; ++i){ - vel().at({{i}}) = vel().at({{i}}) + saw::data<T>{static_cast<typename saw::native_data_type<T>::type>(dfi::directions[j][i])} * dfs(j); - } - } - - for(size_t i = 0; i < Desc::D; ++i){ - vel().at({{i}}) = vel().at({{i}}) / rho(); - } -} -} -} |
