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| author | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-07-05 15:59:23 +0200 |
|---|---|---|
| committer | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-07-05 15:59:23 +0200 |
| commit | c0549d71b2109f10c1238db8b22362e7826ba61b (patch) | |
| tree | 16cd5264fcc3afe912e1b1b67738c8940d6d1177 /lib/core/c++/math | |
| parent | 9a3147bc79caf3c0fb1a9cdee29d156b5ff092c7 (diff) | |
| download | libs-lbm-c0549d71b2109f10c1238db8b22362e7826ba61b.tar.gz | |
Just rename from lib to modules
Diffstat (limited to 'lib/core/c++/math')
| -rw-r--r-- | lib/core/c++/math/math.hpp | 4 | ||||
| -rw-r--r-- | lib/core/c++/math/n_closest.hpp | 54 | ||||
| -rw-r--r-- | lib/core/c++/math/n_linear.hpp | 139 | ||||
| -rw-r--r-- | lib/core/c++/math/round.hpp | 26 |
4 files changed, 0 insertions, 223 deletions
diff --git a/lib/core/c++/math/math.hpp b/lib/core/c++/math/math.hpp deleted file mode 100644 index 3920bec..0000000 --- a/lib/core/c++/math/math.hpp +++ /dev/null @@ -1,4 +0,0 @@ -#pragma once - -#include "n_linear.hpp" -#include "n_closest.hpp" diff --git a/lib/core/c++/math/n_closest.hpp b/lib/core/c++/math/n_closest.hpp deleted file mode 100644 index ac0fe2f..0000000 --- a/lib/core/c++/math/n_closest.hpp +++ /dev/null @@ -1,54 +0,0 @@ -#pragma once - -#include "../common.hpp" -#include "../iterator.hpp" - -namespace kel { -namespace lbm { - -template<typename FieldSchema, typename Encode, typename T, uint64_t D> -saw::data<typename FieldSchema::StoredValueSchema> n_closest_read(const saw::data<sch::Ptr<FieldSchema>,Encode>& f, const saw::data<sch::Vector<T,D>>& frac_ind){ - - auto shift_frac_ind = frac_ind; - for(uint64_t i{0u}; i < D; ++i){ - - shift_frac_ind.at({{i}}) = shift_frac_ind.at({{i}}) + saw::data<T>{0.5}; - if(shift_frac_ind.at({{i}}).get() < 0){ - shift_frac_ind.at({{i}}) = {}; - } - } - - saw::data<sch::FixedArray<sch::UInt64,D>> shift_ind; - for(uint64_t i{0u}; i < D; ++i){ - shift_ind.at({i}) = frac_ind.at({{i}}).template cast_to<sch::UInt64>(); - } - - return f.at(shift_ind); -} - -template<typename FieldSchema, typename Encode, typename T, uint64_t D> -void n_closest_add(const saw::data<sch::Ptr<FieldSchema>,Encode>& f, const saw::data<sch::Vector<T,D>>& frac_ind, const saw::data<typename FieldSchema::StoredValueSchema>& val){ - auto shift_frac_ind = frac_ind; - for(uint64_t i{0u}; i < D; ++i){ - - shift_frac_ind.at({{i}}) = shift_frac_ind.at({{i}}) + saw::data<T>{0.5}; - if(shift_frac_ind.at({{i}}).get() < 0){ - shift_frac_ind.at({{i}}) = {}; - } - } - - auto f_meta = f.meta(); - saw::data<sch::FixedArray<sch::UInt64,D>> shift_ind; - for(uint64_t i{0u}; i < D; ++i){ - shift_ind.at({i}) = frac_ind.at({{i}}).template cast_to<sch::UInt64>(); - if(shift_ind.at({i}) < f_meta.at({i})){ - shift_ind.at({i}) = f_meta.at({i}) - 1u; - } - } - auto& f_i = f.at(shift_ind); - - f_i = f_i + val; -} - -} -} diff --git a/lib/core/c++/math/n_linear.hpp b/lib/core/c++/math/n_linear.hpp deleted file mode 100644 index b378440..0000000 --- a/lib/core/c++/math/n_linear.hpp +++ /dev/null @@ -1,139 +0,0 @@ -#pragma once - -#include "../common.hpp" -#include "../iterator.hpp" - -namespace kel { -namespace lbm { -namespace impl { -template<typename FieldSchema, typename T, uint64_t D> -struct n_linear_interpolate_helper final { - template<uint64_t i = 0u> - auto apply(const saw::data<FieldSchema>& field, const saw::data<sch::Vector<T,D>>& pos){ - return pos; - } -}; -} - -template<typename T, uint64_t D> -saw::data<sch::Tuple<sch::Vector<sch::UInt64,D>,sch::Vector<T,D>>> position_to_index_and_fraction(const saw::data<sch::Vector<T,D>>& pos){ - saw::data<sch::Tuple<sch::Vector<sch::UInt64,D>,sch::Vector<T,D>>> sep; - - auto& ind = sep.template get<0u>(); - auto& frac = sep.template get<1u>(); - - auto pos_cpy = pos; - // Guarantee that the pos is at least 0 - for(uint64_t i = 0u; i < D; ++i){ - pos_cpy.at({{i}}).set(std::max(pos.at({{i}}).get(), static_cast<typename saw::native_data_type<T>::type>(0))); - } - - // Now we can cast to uint64_t - for(uint64_t i = 0u; i < D; ++i){ - ind.at({{i}}) = pos_cpy.at({{i}}).template cast_to<sch::UInt64>(); - } - - frac = pos_cpy - ind.template cast_to<T>(); - - return sep; -} - -template<typename T, uint64_t D> -auto floor_index_from_position(const saw::data<sch::Vector<T,D>>& pos){ - return position_to_index_and_fraction(pos).template get<0u>(); -} - -template<typename T, uint64_t D> -saw::data<sch::Tuple<sch::Vector<sch::UInt64,D>,sch::Vector<T,D>>> position_to_index_and_fraction_bounded( - const saw::data<sch::Vector<T,D>>& pos, - const saw::data<sch::Vector<sch::UInt64,D>>& bound) -{ - auto infr = position_to_index_and_fraction(pos); - auto& ind = infr.template get<0u>(); - auto& fra = infr.template get<1u>(); - for(uint64_t i = 0u; i < D; ++i){ - // If index is higher than bound. Set to bound and reset fraction - if((ind.at({{i}}).get()+1u) >= bound.at({{i}}).get()){ - ind.at({{i}}).set(bound.at({{i}}).get()-1u); - fra.at({{i}}) = {}; - } - } - return infr; -} - - -template<typename FieldSchema, typename T, uint64_t D> -auto n_linear_interpolate( - const saw::data<FieldSchema>& field, const saw::data<sch::Vector<T,D>>& pos){ - - // Pos - auto pos_bound = pos; - - // Dimensions - auto meta = field.dims(); - - // Lower Index - saw::data<sch::FixedArray<sch::UInt64,D>> ind; - - for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{D}; ++i){ - // Native Positive i - auto npos_i = pos.at({i}).get(); - - { - // Ok I want to stay in bounds - npos_i = std::min(npos_i,meta.at(i).get()-1.0); - npos_i = std::max(npos_i,1.0); - } - - // Native Index i - auto nind_i = static_cast<uint64_t>(std::floor(npos_i))-1ul; - - // Set index to i - ind.at(i).set(nind_i); - } - saw::data<sch::Vector<T,D>> pos_frac; - for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{D}; ++i){ - pos_frac.at({i}) = pos_bound.at({i}) - ind.at(i).template cast_to<T>(); - } - - // Base value - saw::data<typename FieldSchema::ValueType> res; - - // constexpr uint64_t d_corners = 1ul << D; - - saw::data<sch::FixedArray<sch::UInt64,D>> ones_ind; - for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{D}; ++i){ - ones_ind.at({i}).set(1u); - } - - iterator<D>::apply([&](auto ind){ - // Iterates over (0,0,0) to (1,1,1) - saw::data<T> weight{1.0}; - - for(saw::data<sch::UInt64> d{0u}; d < saw::data<sch::UInt64>{D}; ++d){ - - saw::data<T> t = pos_frac.at({d}); - - if(ind.at(d).get() == 0u){ - weight = weight * (saw::data<T>{1} - t); - }else{ - weight = weight * t; - } - } - - }, {}, ones_ind); - - /// TODO I need to actually calc stuff - return field.at({}); -} - -template<typename FieldSchema, typename T> -saw::data<sch::Vector<T,2u>> bilinear_interpolate(const saw::data<FieldSchema>& field, const saw::data<sch::Vector<T,2u>>& pos){ - saw::data<sch::Vector<T,2u>> res; - - { - } - return {}; -} -} -} diff --git a/lib/core/c++/math/round.hpp b/lib/core/c++/math/round.hpp deleted file mode 100644 index d3a2586..0000000 --- a/lib/core/c++/math/round.hpp +++ /dev/null @@ -1,26 +0,0 @@ -#pragma once - -#include "../common.hpp" - -namespace kel { -namespace lbm { - -template<typename T, uint64_t D> -saw::data<sch::FixedArray<sch::UInt64,D>> round_to_unsigned(const saw::data<sch::Vector<T,D>>& inp){ - saw::data<sch::FixedArray<sch::UInt64,D>> rv; - - auto zero = static_cast<saw::native_data_type<T>::type>(0); - auto half = static_cast<saw::native_data_type<T>::type>(0.5); - - for(uint64_t i{0u}; i < D; ++i){ - auto val = inp.at({{i}}).get()+half; - val = std::max(zero,val); - - rv.at({i}).set(static_cast<uint64_t>(val)); - } - - return rv; -} - -} -} |
