From c0549d71b2109f10c1238db8b22362e7826ba61b Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Sun, 5 Jul 2026 15:59:23 +0200
Subject: Just rename from lib to modules

---
 lib/core/c++/momentum_gather.hpp | 54 ----------------------------------------
 1 file changed, 54 deletions(-)
 delete mode 100644 lib/core/c++/momentum_gather.hpp

(limited to 'lib/core/c++/momentum_gather.hpp')

diff --git a/lib/core/c++/momentum_gather.hpp b/lib/core/c++/momentum_gather.hpp
deleted file mode 100644
index 7b1fc96..0000000
--- a/lib/core/c++/momentum_gather.hpp
+++ /dev/null
@@ -1,54 +0,0 @@
-#pragma once
-
-#include "common.hpp"
-#include "macroscopic.hpp"
-#include "component.hpp"
-#include "equilibrium.hpp"
-
-namespace kel {
-namespace lbm {
-namespace cmpt {
-// Gather the force, Luke!
-struct ForceGather {};
-}
-
-template<typename T, typename Descriptor, typename Encode>
-class component<T,Descriptor,cmpt::ForceGather, Encode> {
-private:
-public:
-	template<typename CellFieldSchema, typename MacroFieldSchema>
-	void apply(const saw::data<CellFieldSchema, Encode>& field, const saw::data<MacroFieldSchema,Encode>& macros,
-		saw::data<sch::FixedArray<sch::UInt64,Descriptor::D>> index, saw::data<sch::UInt64> time_step) const {
-
-		using dfi = df_info<T,Descriptor>;
-		bool is_even = ((time_step.get() % 2) == 0);
-
-		auto& dfs_old_f = (is_even) ? field.template get<"dfs_old">() : field.template get<"dfs">();
-
-		auto& porous_f = macros.template get<"porosity">();
-		auto& porous = porous_f.at(index);
-
-		auto& force_f = macros.template get<"force">();
-		auto& force = force_f.at(index);
-
-		for(uint64_t k{0u}; k < Descriptor::D; ++k){
-			force.at({{k}}).set(0);
-		}
-
-		auto& dfs = dfs_old_f.at(index);
-		for(uint64_t i{0u}; i < Descriptor::Q; ++i){
-			uint64_t i_opp = dfi::opposite_index[i];
-			auto dfs_diff = dfs.at({i}) - dfs.at({i_opp});
-			for(uint64_t k{0u}; k < Descriptor::D; ++k){
-				force.at({{k}}) = force.at({{k}}) + dfs_diff * saw::data<T>{dfi::directions[i][k]};
-			}
-		}
-
-		saw::data<sch::Scalar<T>> one;
-		one.at({}) = 1.0;
-		auto flip_porous = one - porous;
-		force = force * flip_porous;
-	}
-};
-}
-}
-- 
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