From 16700f013886b8d8cb02e322c2d66c00179d9c89 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 3 Mar 2026 19:46:31 +0100
Subject: Fixing ZouHe?

---
 examples/poiseulle_particles_2d_gpu/sim.cpp | 3 ++-
 lib/core/c++/boundary.hpp                   | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/examples/poiseulle_particles_2d_gpu/sim.cpp b/examples/poiseulle_particles_2d_gpu/sim.cpp
index 6d012e0..bb81383 100644
--- a/examples/poiseulle_particles_2d_gpu/sim.cpp
+++ b/examples/poiseulle_particles_2d_gpu/sim.cpp
@@ -131,7 +131,7 @@ saw::error_or<void> setup_initial_conditions(
 			rho.at({}) = {1};
 			auto& vel = vel_f.at(index);
 			if(info_f.at(index).get() == 2u){
-				vel.at({{0u}}) = 0.01;
+				vel.at({{0u}}) = 0.0;
 			}
 			auto eq = equilibrium<T,Desc>(rho,vel);
 
@@ -433,6 +433,7 @@ saw::error_or<void> lbm_main(int argc, char** argv){
 			std::cout<<"Status: "<<i.get()<<" of "<<time_steps.get()<<" - "<<(i.template cast_to<sch::Float64>().get() * 100 / time_steps.get())<<"%"<<std::endl;
 			print_status = false;
 		}
+		print_progress_bar(i.get(), time_steps.get()-1u);
 	}
 
 	// After Loop
diff --git a/lib/core/c++/boundary.hpp b/lib/core/c++/boundary.hpp
index d5f3022..0a4ff4d 100644
--- a/lib/core/c++/boundary.hpp
+++ b/lib/core/c++/boundary.hpp
@@ -135,7 +135,7 @@ public:
 		for(saw::data<sch::UInt64> k{0u}; k < saw::data<sch::UInt64>{Descriptor::Q}; ++k){
 			auto c_k = dfi::directions[k.get()];
 
-			if(c_k[0u]*known_dir <= 0){
+			if(c_k[0u]*known_dir >= 0){
 				sum_df += dfs_old.at({k});
 			}
 		}
@@ -147,7 +147,7 @@ public:
 
 		for(saw::data<sch::UInt64> k{0u}; k < saw::data<sch::UInt64>{Descriptor::Q}; ++k){
 			auto c_k = dfi::directions[k.get()];
-			if(c_k[0u]*known_dir < 0){
+			if(c_k[0u]*known_dir > 0){
 				sum_unknown_dfs += dfs_old.at({k}) * c_k[0u];
 			}
 		}
-- 
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