diff options
Diffstat (limited to 'c++/descriptor.hpp')
| -rw-r--r-- | c++/descriptor.hpp | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/c++/descriptor.hpp b/c++/descriptor.hpp deleted file mode 100644 index d04d217..0000000 --- a/c++/descriptor.hpp +++ /dev/null @@ -1,296 +0,0 @@ -#pragma once - -#include <forstio/codec/data.hpp> -#include <forstio/codec/data_math.hpp> -#include <forstio/codec/schema_factory.hpp> - -namespace kel { -namespace lbm { -namespace sch { -using namespace saw::schema; - -template<uint64_t DV, uint64_t QV> -struct Descriptor { - static constexpr uint64_t D = DV; - static constexpr uint64_t Q = QV; -}; - -template<typename Sch, typename Desc, uint64_t SC_V, uint64_t DC_V, uint64_t QC_V> -struct Cell { - using Descriptor = Desc; - static constexpr uint64_t SC = SC_V; - static constexpr uint64_t DC = DC_V; - static constexpr uint64_t QC = QC_V; - static constexpr uint64_t Size = SC + Desc::D * DC + Desc::Q * QC; -}; - -template<typename Desc, typename Cell> -struct CellField; - -template<typename Desc, typename... CellFieldTypes, saw::string_literal... CellFieldNames> -struct CellField< - Desc, - Struct< - Member<CellFieldTypes, CellFieldNames>... - > ->; - -} - -template<typename T, typename Desc> -class df_info{}; - -template<typename T> -class df_info<T,sch::Descriptor<1,3>> { -public: - using Descriptor = sch::Descriptor<1,3>; - - static constexpr uint64_t D = 1u; - static constexpr uint64_t Q = 3u; - - static constexpr std::array<std::array<int32_t,D>,Q> directions = {{ - { 0}, - {-1}, - { 1} - }}; - - static constexpr std::array<typename saw::native_data_type<T>::type, Q> weights = { - 2./3., - 1./6., - 1./6. - }; - - static constexpr std::array<uint64_t,Q> opposite_index = { - 0,2,1 - }; - - static constexpr typename saw::native_data_type<T>::type inv_cs2 = 3.0; - static constexpr typename saw::native_data_type<T>::type cs2 = 1./3.; -}; - -/** - * D2Q5 Descriptor - */ -template<typename T> -class df_info<T,sch::Descriptor<2, 5>> { -public: - using Descriptor = sch::Descriptor<2,5>; - - static constexpr uint64_t D = 2u; - static constexpr uint64_t Q = 5u; - - static constexpr std::array<std::array<int32_t, D>, Q> directions = {{ - { 0, 0}, - {-1, 0}, - { 1, 0}, - { 0,-1}, - { 0, 1}, - }}; - - static constexpr std::array<typename saw::native_data_type<T>::type,Q> weights = { - 1./3., - 1./6., - 1./6., - 1./6., - 1./6. - }; - - static constexpr std::array<uint64_t,Q> opposite_index = { - 0, - 2, - 1, - 4, - 3 - }; - - static constexpr typename saw::native_data_type<T>::type inv_cs2 = 3.0; - static constexpr typename saw::native_data_type<T>::type cs2 = 1./3.; -}; - -template<typename T> -class df_info<T,sch::Descriptor<2, 9>> { -public: - using Descriptor = sch::Descriptor<2,9>; - - static constexpr uint64_t D = 2u; - static constexpr uint64_t Q = 9u; - - static constexpr std::array<std::array<int32_t, D>, Q> directions = {{ - { 0, 0}, - {-1, 0}, - { 1, 0}, - { 0,-1}, - { 0, 1}, - {-1,-1}, - { 1, 1}, - {-1, 1}, - { 1,-1} - }}; - - static constexpr std::array<typename saw::native_data_type<T>::type,Q> weights = { - 4./9., - 1./9., - 1./9., - 1./9., - 1./9., - 1./36., - 1./36., - 1./36., - 1./36. - }; - - static constexpr std::array<uint64_t,Q> opposite_index = { - 0, - 2, - 1, - 4, - 3, - 6, - 5, - 8, - 7 - }; - - static constexpr typename saw::native_data_type<T>::type inv_cs2 = 3.0; - static constexpr typename saw::native_data_type<T>::type cs2 = 1./3.; -}; -/* -template<typename T> -class df_info<T,sch::Descriptor<3, 27>> { -public: - using Descriptor = sch::Descriptor<3,27>; - - static constexpr uint64_t D = 3u; - static constexpr uint64_t Q = 27u; - - static constexpr std::array<std::array<int32_t, D>, Q> directions = {{ - { 0, 0, 0}, - {-1, 0, 0}, - { 1, 0, 0}, - { 0,-1, 0}, - { 0, 1, 0}, - {-1,-1, 0}, - { 1, 1, 0}, - {-1, 1, 0}, - { 1,-1, 0} - }}; - - static constexpr std::array<typename saw::native_data_type<T>::type,Q> weights = { - 4./9., - 1./9., - 1./9., - 1./9., - 1./9., - 1./36., - 1./36., - 1./36., - 1./36. - }; - - static constexpr std::array<uint64_t,Q> opposite_index = { - 0, - 2, - 1, - 4, - 3, - 6, - 5, - 8, - 7 - }; - - static constexpr typename saw::native_data_type<T>::type inv_cs2 = 3.0; - static constexpr typename saw::native_data_type<T>::type cs2 = 1./3.; -}; -*/ - -template<typename Schema> -class cell_schema_builder { -private: - saw::schema_factory<Schema> factory_struct_; -public: - cell_schema_builder() = default; - - cell_schema_builder(saw::schema_factory<Schema> inp): - factory_struct_{inp} - {} - - /* - template<typename TA, saw::string_literal KA> - constexpr auto require() const noexcept { - return {factory_struct_.add_maybe()}; - } - */ -}; - -} -} - -namespace saw { -template<typename T, typename Desc, uint64_t S, uint64_t D, uint64_t Q> -struct meta_schema<kel::lbm::sch::Cell<T,Desc,S,D,Q>> { - using MetaSchema = schema::Void; - using Schema = kel::lbm::sch::Cell<T,Desc,S,D,Q>; -}; - -template<typename Desc, typename CellT> -struct meta_schema<kel::lbm::sch::CellField<Desc, CellT>> { - using MetaSchema = schema::FixedArray<schema::UInt64,Desc::D>; - using Schema = kel::lbm::sch::CellField<Desc, CellT>; -}; - -template<typename Sch, typename Desc, uint64_t S, uint64_t D, uint64_t Q, typename Encode> -class data<kel::lbm::sch::Cell<Sch, Desc, S, D, Q>, Encode> final { -public: - using Schema = kel::lbm::sch::Cell<Sch,Desc,S,D,Q>; - using MetaSchema = typename meta_schema<Schema>::MetaSchema; -private: - data<schema::FixedArray<Sch, Schema::Size>, Encode> inner_; -public: - data() = default; - - data<Sch, Encode>& operator()(const data<schema::UInt64>& index){ - return inner_.at(index); - } - - const data<Sch, Encode>& operator()(const data<schema::UInt64>& index)const{ - return inner_.at(index); - } - - const data<kel::lbm::sch::Cell<Sch, Desc, S, D, Q>, Encode> copy() const { - return *this; - } -}; - -template<typename Desc, typename CellT, typename Encode> -class data<kel::lbm::sch::CellField<Desc, CellT>, Encode> final { -public: - using Schema = kel::lbm::sch::CellField<Desc,CellT>; - using MetaSchema = typename meta_schema<Schema>::MetaSchema; -private: - data<schema::Array<CellT,Desc::D>, Encode> inner_; -public: - data() = default; - data(const data<MetaSchema,Encode>& inner_meta__): - inner_{inner_meta__} - {} - - const data<MetaSchema, Encode> meta() const { - return inner_.get_dims(); - } - - template<uint64_t i> - data<schema::UInt64,Encode> get_dim_size() const { - static_assert(i < Desc::D, "Not enough dimensions"); - return inner_.template get_dim_size<i>(); - } - - const data<CellT>& operator()(const data<schema::FixedArray<schema::UInt64, Desc::D>, Encode>& index)const{ - return inner_.at(index); - } - - data<CellT>& operator()(const data<schema::FixedArray<schema::UInt64, Desc::D>, Encode>& index){ - return inner_.at(index); - } -}; -} |
