diff options
author | Claudius "keldu" Holeksa <mail@keldu.de> | 2025-03-03 14:01:10 +0100 |
---|---|---|
committer | Claudius "keldu" Holeksa <mail@keldu.de> | 2025-03-03 14:01:10 +0100 |
commit | 7abcc7c96ce891128858089e34afc2e986b1ab19 (patch) | |
tree | f0b5e4b82e93feec54450e232e28588fb6e8f107 /c++ | |
parent | 1b553907f0d09671f7036a5cca1ff93021582d5c (diff) |
wip
Diffstat (limited to 'c++')
-rw-r--r-- | c++/descriptor.h | 15 | ||||
-rw-r--r-- | c++/examples/cavity_2d.cpp | 46 |
2 files changed, 31 insertions, 30 deletions
diff --git a/c++/descriptor.h b/c++/descriptor.h index e1be1e9..0752a51 100644 --- a/c++/descriptor.h +++ b/c++/descriptor.h @@ -7,19 +7,19 @@ namespace lbm { namespace sch { using namespace saw::schema; -template<uint64_t D, uint64_t Q> +template<uint64_t DV, uint64_t QV> struct Descriptor { - static constexpr uint64_t D = D; - static constexpr uint64_t Q = Q; + static constexpr uint64_t D = DV; + static constexpr uint64_t Q = QV; }; -template<typename Sch, typename Desc, uint64_t SC, uint64_t DC, uint64_t QC> +template<typename Sch, typename Desc, uint64_t SC_V, uint64_t DC_V, uint64_t QC_V> struct Field { using Alias = Sch; using Descriptor = Desc; - static constexpr uint64_t SC = SC; - static constexpr uint64_t DC = DC; - static constexpr uint64_t QC = QC; + static constexpr uint64_t SC = SC_V; + static constexpr uint64_t DC = DC_V; + static constexpr uint64_t QC = QC_V; }; /** @@ -29,7 +29,6 @@ template<typename... CellT> using CellData = Struct< CellT... >; -^ /** * T is an array of CellData */ diff --git a/c++/examples/cavity_2d.cpp b/c++/examples/cavity_2d.cpp index aaf6ba3..90799ad 100644 --- a/c++/examples/cavity_2d.cpp +++ b/c++/examples/cavity_2d.cpp @@ -6,7 +6,8 @@ namespace kel { namespace lbm { -namespace schema { +namespace sch { +using namespace saw::schema; /** * Basic distribution function @@ -18,6 +19,7 @@ namespace schema { * Q factor */ using T = Float32; +using D2Q5 = Descriptor<2,5>; using DfCell2D = Field<T, D2Q5, 0, 0, 1>; using CellInfo2D = Field<UInt8, D2Q5, 1, 0, 0>; @@ -34,7 +36,7 @@ using Cell = CellData< template<typename T, typename Desc, size_t SN, size_t DN, size_t QN> struct cell_type { - using Type = schema::Field<T, Desc, SN, DN, QN>; + using Type = sch::Field<T, Desc, SN, DN, QN>; }; template<typename T> @@ -44,11 +46,11 @@ class df_cell_view; * Minor helper for the AA-Pull Pattern */ template<typename Desc, size_t SN, size_t DN, size_t QN> -class df_cell_view<cell_type<schema::T, Desc, SN, DN, QN>> { +class df_cell_view<cell_type<sch::T, Desc, SN, DN, QN>> { private: - std::array<std::decay_t<typename saw::native_data_type<schema::T>::type>*, QN> view_; + std::array<std::decay_t<typename saw::native_data_type<sch::T>::type>*, QN> view_; public: - df_cell_view(const std::array<std::decay_t<typename saw::native_data_type<schema::T>::type>*, QN>& view): + df_cell_view(const std::array<std::decay_t<typename saw::native_data_type<sch::T>::type>*, QN>& view): view_{view} {} }; @@ -56,15 +58,15 @@ public: template<typename Desc> class collision { public: - typename saw::native_data_type<schema::T>::type relaxation_; + typename saw::native_data_type<sch::T>::type relaxation_; public: - std::array<typename saw::native_data_type<schema::T>::type,Desc::Q> equilibrium( - typename saw::native_data_type<schema::T>::type rho, - std::array<typename saw::native_data_type<schema::T>::type, Desc::D> vel + std::array<typename saw::native_data_type<sch::T>::type,Desc::Q> equilibrium( + typename saw::native_data_type<sch::T>::type rho, + std::array<typename saw::native_data_type<sch::T>::type, Desc::D> vel ){ - using dfi = df_info<schema::T, Desc>; + using dfi = df_info<sch::T, Desc>; - typename std::array<saw::native_data_type<schema::T>::type,Desc::Q> eq; + typename std::array<saw::native_data_type<sch::T>::type,Desc::Q> eq; for(std::size_t i = 0; i < eq.size(); ++i){ auto vel_c = (vel[0]*dfi::directions[i][0] + vel[1]*dfi::directions[i][1]); @@ -82,15 +84,15 @@ public: void compute_rho_u( saw::data<sch::DfCell2D>& dfs, - typename saw::native_data_type<schema::T>::type& rho, - std::array<typename saw::native_data_type<schema::T>::type, 2>& vel + typename saw::native_data_type<sch::T>::type& rho, + std::array<typename saw::native_data_type<sch::T>::type, 2>& vel ){ - using dfi = df_info<schema::Descriptor<schema::T, D, Q>>; + using dfi = df_info<sch::T, Desc>; rho = 0; std::fill(vel.begin(), vel.end(), 0); - for(size_t i = 0; i < Q; ++i){ + for(size_t i = 0; i < Desc::Q; ++i){ rho += dfs.at(i).get(); vel[0] += dfi::directions[i][0] * dfs.at(i).get(); vel[1] += dfi::directions[i][1] * dfs.at(i).get(); @@ -120,7 +122,7 @@ struct rectangle { }; template<typename Func, typename Schema, size_t Dim> -void apply_for_cells(Func&& func, saw::data<saw::schema::Array<Schema, Dim>>& dat){ +void apply_for_cells(Func&& func, saw::data<saw::sch::Array<Schema, Dim>>& dat){ for(std::size_t i = 0; i < dat.get_dim_size(0); ++i){ for(std::size_t j = 0; j < dat.get_dim_size(1); ++j){ func(dat.at(i,j), i, j); @@ -128,7 +130,7 @@ void apply_for_cells(Func&& func, saw::data<saw::schema::Array<Schema, Dim>>& da } } -void set_geometry(saw::data<kel::lbm::schema::Lattice<kel::lbm::schema::Cell,2>>& latt){ +void set_geometry(saw::data<kel::lbm::sch::Lattice<kel::lbm::sch::Cell,2>>& latt){ using namespace kel::lbm; apply_for_cells([](auto& cell, std::size_t i, std::size_t j){ uint8_t val = 0; @@ -145,7 +147,7 @@ void set_geometry(saw::data<kel::lbm::schema::Lattice<kel::lbm::schema::Cell,2>> }, latt); } -void set_initial_conditions(saw::data<kel::lbm::schema::Lattice<kel::lbm::schema::Cell,2>>& latt){ +void set_initial_conditions(saw::data<kel::lbm::sch::Lattice<kel::lbm::sch::Cell,2>>& latt){ using namespace kel::lbm; apply_for_cells([](auto& cell, std::size_t i, std::size_t j){ (void) i; @@ -155,8 +157,8 @@ void set_initial_conditions(saw::data<kel::lbm::schema::Lattice<kel::lbm::schema } void lbm_step( - saw::data<kel::lbm::schema::Lattice<kel::lbm::schema::Cell,2>>& old_latt, - saw::data<kel::lbm::schema::Lattice<kel::lbm::schema::Cell,2>>& new_latt + saw::data<kel::lbm::sch::Lattice<kel::lbm::sch::Cell,2>>& old_latt, + saw::data<kel::lbm::sch::Lattice<kel::lbm::sch::Cell,2>>& new_latt ){ } @@ -165,8 +167,8 @@ int main(){ using namespace kel::lbm; saw::data< - schema::FixedArray< - schema::Lattice<kel::lbm::schema::Cell, 2>, 2 + sch::FixedArray< + sch::Lattice<kel::lbm::sch::Cell, 2>, 2 > ,saw::encode::Native > lattices; //{dim_x, dim_y}; |