From c0549d71b2109f10c1238db8b22362e7826ba61b Mon Sep 17 00:00:00 2001 From: "Claudius \"keldu\" Holeksa" Date: Sun, 5 Jul 2026 15:59:23 +0200 Subject: Just rename from lib to modules --- lib/core/c++/fplbm.hpp | 191 ------------------------------------------------- 1 file changed, 191 deletions(-) delete mode 100644 lib/core/c++/fplbm.hpp (limited to 'lib/core/c++/fplbm.hpp') diff --git a/lib/core/c++/fplbm.hpp b/lib/core/c++/fplbm.hpp deleted file mode 100644 index c974472..0000000 --- a/lib/core/c++/fplbm.hpp +++ /dev/null @@ -1,191 +0,0 @@ -#pragma once - -#include "common.hpp" - -namespace kel { -namespace lbm { -namespace cmpt { -struct FpLbm {}; -struct FpLbmOneParticleNoVelocity{}; -} - -template -class component final { -private: - saw::data relaxation_; - saw::data frequency_; -public: - component(typename saw::native_data_type::type relaxation__): - relaxation_{{relaxation__}}, - frequency_{saw::data{1} / relaxation_} - {} - - component(const saw::data& relaxation__): - relaxation_{relaxation__}, - frequency_{saw::data{1} / relaxation_} - {} - - using Component = cmpt::FpLbm; - - - template - void apply(const saw::data& field, const saw::data& macros, saw::data> index, saw::data time_step) const { - // void apply(saw::data& field, saw::data> index, saw::data time_step){ - bool is_even = ((time_step.get() % 2) == 0); - - auto& dfs_old_f = (is_even) ? field.template get<"dfs_old">() : field.template get<"dfs">(); - auto& dfs = dfs_old_f.at(index); - - auto& rho_f = macros.template get<"density">(); - auto& vel_f = macros.template get<"velocity">(); - - saw::data>& rho = rho_f.at(index); - saw::data>& vel = vel_f.at(index); - - compute_rho_u(dfs_old_f.at(index),rho,vel); - auto eq = equilibrium(rho,vel); - - using dfi = df_info; - - auto& force_f = macros.template get<"force">(); - auto& force = force_f.at(index); - - auto& porosity_f = macros.template get<"porosity">(); - auto& porosity = porosity_f.at(index); - - saw::data> dfi_inv_cs2; - dfi_inv_cs2.at({}).set(dfi::inv_cs2); - - for(uint64_t i = 0u; i < Descriptor::Q; ++i){ - // saw::data ci_min_u{0}; - saw::data> ci; - for(uint64_t d = 0u; d < Descriptor::D; ++d){ - ci.at({{d}}).set(static_cast::type>(dfi::directions[i][d])); - } - auto ci_dot_u = saw::math::dot(ci,vel); - - // saw::data> F_i; - // F_i = f * (c_i - u * ics2 + * c_i * ics2 * ics2) * w_i; - saw::data> w; - w.at({}).set(dfi::weights[i]); - - auto F_i_d = saw::math::dot(force * w, (ci - vel * dfi_inv_cs2 + ci * ci_dot_u * dfi_inv_cs2 * dfi_inv_cs2 )); - /* - saw::data> F_i_sum; - for(uint64_t d = 0u; d < Descriptor::D; ++d){ - saw::data> F_i_d; - F_i_d.at({}) = F_i.at({{d}}); - F_i_sum = F_i_sum + F_i_d; - } - */ - - dfs.at({i}) = dfs.at({i}) + frequency_ * (eq.at(i) - dfs.at({i}) ) + F_i_d.at({}) * (saw::data{1} - saw::data{0.5f} * frequency_); - } - } -}; - -template -class component final { -private: - saw::data relaxation_; - saw::data frequency_; -public: - component(typename saw::native_data_type::type relaxation__): - relaxation_{{relaxation__}}, - frequency_{saw::data{1} / relaxation_} - {} - - component(const saw::data& relaxation__): - relaxation_{relaxation__}, - frequency_{saw::data{1} / relaxation_} - {} - - using Component = cmpt::FpLbmOneParticleNoVelocity; - - template - void apply(const saw::data& field, const saw::data& macros, saw::data> index, saw::data time_step) const { - // void apply(saw::data& field, saw::data> index, saw::data time_step){ - bool is_even = ((time_step.get() % 2) == 0); - - auto& dfs_old_f = (is_even) ? field.template get<"dfs_old">() : field.template get<"dfs">(); - auto& dfs = dfs_old_f.at(index); - - auto& rho_f = macros.template get<"density">(); - auto& vel_f = macros.template get<"velocity">(); - auto& por_f = macros.template get<"porosity">(); - - // Temporary find a better way - auto& force_f = macros.template get<"force">(); - - - /** - * The other methods all work with a flipped porosity. - * For compat reasons this is also flipped - */ - auto porosity = por_f.at(index); - saw::data> one; - one.at({}) = 1.0; - auto flip_porosity = one - porosity; - - saw::data>& rho = rho_f.at(index); - - saw::data> half; - half.at({}).set(0.5); - saw::data>& vel = vel_f.at(index);// + total_force * ( half / rho ); - - compute_rho_u(dfs_old_f.at(index),rho,vel); - auto eq = equilibrium(rho,vel); - - using dfi = df_info; - - saw::data> min_two; - min_two.at({}).set(-2); - - // Maybe ? - auto& force = force_f.at(index); - force = vel * rho * min_two * flip_porosity; - - saw::data> dfi_inv_cs2; - dfi_inv_cs2.at({}).set(dfi::inv_cs2); - - // auto vel = vel_f.at(index); - - for(uint64_t i = 0u; i < Descriptor::Q; ++i){ - // saw::data ci_min_u{0}; - saw::data> ci; - for(uint64_t d = 0u; d < Descriptor::D; ++d){ - ci.at({{d}}).set(static_cast::type>(dfi::directions[i][d])); - } - auto ci_dot_u = saw::math::dot(ci,vel); - - // saw::data> F_i; - // F_i = f * ((c_i - u) * ics2 + * c_i * ics2 * ics2) * w_i; - saw::data> w; - w.at({}).set(dfi::weights[i]); - - /* - saw::data> F_i_sum; - for(uint64_t d = 0u; d < Descriptor::D; ++d){ - saw::data> F_i_d; - F_i_d.at({}) = F_i.at({{d}}); - F_i_sum = F_i_sum + F_i_d; - } - */ - auto term1 = (ci-vel) * dfi_inv_cs2; - auto term2 = ci * (ci_dot_u * dfi_inv_cs2 * dfi_inv_cs2); - - auto force_projection = saw::math::dot(term1 + term2, force); - - auto F_i = w * force_projection; - - dfs.at({i}) = dfs.at({i}) - + frequency_ - * (eq.at(i) - dfs.at({i}) ) - + F_i.at({}) - * (saw::data{1} - saw::data{0.5f} * frequency_); - } - } - -}; -} -} -- cgit v1.2.3