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| author | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-06-01 17:21:44 +0200 |
|---|---|---|
| committer | Claudius "keldu" Holeksa <mail@keldu.de> | 2026-06-01 17:21:44 +0200 |
| commit | 7fd9bfd5946472230a3b74c52f88e19c15741faf (patch) | |
| tree | c528bd796f0de524921d06b55d383943eebead08 /lib | |
| parent | 2dd7c95a111a930e8e23140ab3fec074e7de4c8c (diff) | |
| download | libs-lbm-7fd9bfd5946472230a3b74c52f88e19c15741faf.tar.gz | |
I seem to have no clue what I'm doing
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/core/c++/collision.hpp | 3 | ||||
| -rw-r--r-- | lib/core/c++/math/n_closest.hpp | 18 |
2 files changed, 16 insertions, 5 deletions
diff --git a/lib/core/c++/collision.hpp b/lib/core/c++/collision.hpp index 9c76c1a..023f61f 100644 --- a/lib/core/c++/collision.hpp +++ b/lib/core/c++/collision.hpp @@ -146,7 +146,8 @@ public: saw::data<sch::Scalar<T>> half; half.at({}).set(0.5); - saw::data<sch::Vector<T,Descriptor::D>> vel = vel_f.at(index) + total_force * ( half / rho ); + auto& vel = vel_f.at(index); + vel = vel + total_force * ( half / rho ); compute_rho_u<T,Descriptor>(dfs_old_f.at(index),rho,vel); auto eq = equilibrium<T,Descriptor>(rho,vel); diff --git a/lib/core/c++/math/n_closest.hpp b/lib/core/c++/math/n_closest.hpp index 13414e2..ac0fe2f 100644 --- a/lib/core/c++/math/n_closest.hpp +++ b/lib/core/c++/math/n_closest.hpp @@ -7,7 +7,7 @@ namespace kel { namespace lbm { template<typename FieldSchema, typename Encode, typename T, uint64_t D> -saw::data<typename FieldSchema::InnerValueSchema> n_closest_read(const saw::data<sch::Ptr<FieldSchema>,Encode>& f, const saw::data<sch::Vector<T,D>>& frac_ind){ +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){ @@ -18,13 +18,16 @@ saw::data<typename FieldSchema::InnerValueSchema> n_closest_read(const saw::data } } - auto shift_ind = frac_ind.template cast_to<sch::UInt64>(); + 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(saw::data<sch::Ptr<FieldSchema>,Encode>& f, const saw::data<sch::Vector<T,D>>& frac_ind, const saw::data<typename FieldSchema::InnerValueSchema>& val){ +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){ @@ -34,7 +37,14 @@ void n_closest_add(saw::data<sch::Ptr<FieldSchema>,Encode>& f, const saw::data<s } } - auto shift_ind = frac_ind.template cast_to<sch::UInt64>(); + 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; |