From b9aacd9c2fdc61721c8ca3e1b40ebc92daa3772e Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Wed, 5 Nov 2025 13:38:04 +0100
Subject: Reworking structure

---
 lib/core/tests/particles.cpp | 85 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 lib/core/tests/particles.cpp

(limited to 'lib/core/tests/particles.cpp')

diff --git a/lib/core/tests/particles.cpp b/lib/core/tests/particles.cpp
new file mode 100644
index 0000000..277a8d0
--- /dev/null
+++ b/lib/core/tests/particles.cpp
@@ -0,0 +1,85 @@
+#include <forstio/test/suite.hpp>
+
+#include <iostream>
+#include "../c++/particle/geometry/circle.hpp"
+
+
+namespace {
+namespace sch {
+using namespace kel::lbm::sch;
+
+using T = Float64;
+}
+/*
+SAW_TEST("Minor Test for mask"){
+	using namespace kel;
+
+	lbm::particle_circle_geometry<sch::T> geo;
+
+	auto mask = geo.generate_mask<sch::T>(9u,1u);
+
+	auto& grid = mask.template get<"grid">();
+
+	for(saw::data<sch::UInt64> i{0u}; i < grid.template get_dim_size<0>(); ++i){
+		for(saw::data<sch::UInt64> j{0u}; j < grid.template get_dim_size<1>(); ++j){
+			std::cout<<grid.at({{i,j}}).get()<<" ";
+		}
+		std::cout<<"\n";
+	}
+	std::cout<<std::endl;
+
+	//saw::data<sch::Array<sch::T,2>> reference_mask{{{4+2,4+2}}};
+	//reference_mask.at({{0,0}});
+}
+
+SAW_TEST("Verlet integration test"){
+	using namespace kel;
+	lbm::particle_system<sch::T,2,sch::Particle<sch::T,2>> system;
+
+	{
+		saw::data<sch::Particle<sch::T,2>> particle;
+		auto& rb = particle.template get<"rigid_body">();
+		auto& acc = rb.template get<"acceleration">();
+		auto& pos = rb.template get<"position">();
+		auto& pos_old = rb.template get<"position_old">();
+		pos = {{1e-1,1e-1}};
+		pos_old = {{0.0, 0.0}};
+		acc = {{0.0,-1e1}};
+
+		auto eov = system.add_particle(std::move(particle));
+		SAW_EXPECT(eov.is_value(), "Expected no error :)");
+	}
+	{
+		auto& p = system.at({0u});
+		auto& rb = p.template get<"rigid_body">();
+		auto& pos = rb.template get<"position">();
+
+		for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{2u}; ++i){
+			std::cout<<pos.at(i).get()<<" ";
+		}
+		std::cout<<std::endl;
+	}
+
+	for(uint64_t i = 0u; i < 36u; ++i){
+		system.step(saw::data<sch::T>{1e-1});
+
+		{
+			auto& p = system.at({0u});
+			auto& rb = p.template get<"rigid_body">();
+			auto& pos = rb.template get<"position">();
+
+			for(saw::data<sch::UInt64> i{0u}; i < saw::data<sch::UInt64>{2u}; ++i){
+				std::cout<<pos.at(i).get()<<" ";
+			}
+			std::cout<<"\n";
+
+			if(pos.at({1u}).get() < 0.0){
+				break;
+			}
+		}
+
+	}
+
+}
+*/
+}
-- 
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