From 6393b959829a1f7513f3daccbaeb9e275fc4ac0d Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Thu, 3 Jul 2025 15:37:25 +0200
Subject: Wrote minor iterator confirmation tests

---
 examples/SConscript       |  6 ++++++
 examples/poiseulle_2d.cpp | 21 +++++++++++++--------
 2 files changed, 19 insertions(+), 8 deletions(-)

(limited to 'examples')

diff --git a/examples/SConscript b/examples/SConscript
index 13ed580..9bac1f0 100644
--- a/examples/SConscript
+++ b/examples/SConscript
@@ -33,11 +33,17 @@ examples_env.cavity_2d = examples_env.Program('#bin/cavity_2d', [env.library_sta
 #examples_env.add_source_files(examples_objects, ['particle_ibm.cpp'], shared=False);
 #examples_env.particle_ibm_2d = examples_env.Program('#bin/particle_ibm_2d', [env.library_static, examples_objects]);
 
+# Poiseulle 2D
+examples_objects = [];
+examples_env.add_source_files(examples_objects, ['poiseulle_2d.cpp'], shared=False);
+examples_env.poiseulle_2d = examples_env.Program('#bin/poiseulle_2d', [env.library_static, examples_objects]);
+
 # Set Alias
 env.examples = [
 	examples_env.meta_2d,
 	examples_env.cavity_2d,
 #	examples_env.particle_ibm_2d
+	examples_env.poiseulle_2d
 ];
 env.Alias('examples', env.examples);
 
diff --git a/examples/poiseulle_2d.cpp b/examples/poiseulle_2d.cpp
index c933319..2770221 100644
--- a/examples/poiseulle_2d.cpp
+++ b/examples/poiseulle_2d.cpp
@@ -1,6 +1,7 @@
 #include "../c++/lbm.hpp"
 #include "../c++/collision.hpp"
 #include "../c++/boundary.hpp"
+#include "../c++/iterator.hpp"
 
 #include <forstio/codec/data.hpp>
 
@@ -38,6 +39,11 @@ using CellStruct = Struct<
 	Member<CellInfo<Desc>, "info">
 >;
 
+template<typename T, uint64_t D>
+using MacroStruct = Struct<
+	Member<FixedArray<T,D>, "velocity">,
+	Member<T, "pressure">
+>;
 
 using CavityFieldD2Q9 = CellField<D2Q9, CellStruct<D2Q9>>;
 }
@@ -48,15 +54,14 @@ void set_geometry(saw::data<kel::lbm::sch::CavityFieldD2Q9>& latt){
 	using namespace kel::lbm;
 
 	auto meta = latt.meta();
-	for(saw::data<sch::UInt64> i{0u}; i < meta.at(0u); ++i){
-		for(saw::data<sch::UInt64> j{0u}; j < meta.at(1u); ++j ){
-			auto& cell = latt({{i,j}});
-			auto& info = cell.template get<"info">();
 
-			// if()
-		}
-	}
+	iterate_over([&](const saw::data<sch::FixedArray<sch::UInt64,2u>>& index){
+		auto& cell = latt(index);
+		auto& info = cell.template get<"info">();
+
+		info({0u}).set(1u);
 
+	}, {{0u,0u}}, meta, {1u});
 }
 
 void set_initial_conditions(saw::data<kel::lbm::sch::CavityFieldD2Q9>& latt){
@@ -136,7 +141,7 @@ int main(int argc, char** argv){
 			write_vtk_file(vtk_f_name, macros);
 		}
 
-		lbm_step(lattice, even_step, step);
+		// lbm_step(lattice, i);
 	}
 
 	return 0;
-- 
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