From 358bcf2ea8b993855f5595e82a6172c7dd71adbe Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 18 Aug 2026 16:01:04 +0200
Subject: Ordering the unit stuff for now until I have proper ordering

---
 modules/core/c++/converter.hpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'modules/core')

diff --git a/modules/core/c++/converter.hpp b/modules/core/c++/converter.hpp
index 4370a2c..600db0d 100644
--- a/modules/core/c++/converter.hpp
+++ b/modules/core/c++/converter.hpp
@@ -62,16 +62,20 @@ public:
 		return m_si / meter_conv_;
 	}
 	
+	saw::data<sch::SiMeter<T>> meter_lbm_to_si(const saw::data<sch::LbmMeter<T>>& m_lbm) const {
+		return m_lbm * meter_conv_;
+	}
+
 	saw::data<sch::LbmSecond<T>> second_si_to_lbm(const saw::data<sch::SiSecond<T>>& s_si) const {
 		return s_si / second_conv_;
 	}
 	
 	saw::data<sch::LbmVelocity<T>> velocity_si_to_lbm(const saw::data<sch::SiVelocity<T>>& vel_si) const {
-		return vel_si * second_conv_ / meter_conv_;
+		return (vel_si / meter_conv_) * second_conv_;
 	}
 	
 	saw::data<sch::LbmAcceleration<T>> acceleration_si_to_lbm(const saw::data<sch::SiAcceleration<T>>& acc_si) const {
-		return acc_si * (second_conv_ * second_conv_) / meter_conv_;
+		return (acc_si / meter_conv_) * (second_conv_ * second_conv_); 
 	}
 
 	saw::data<sch::LbmKinematicViscosity<T>> kinematic_viscosity_si_to_lbm (const saw::data<sch::SiKinematicViscosity<T>>& kin_si) const {
-- 
cgit v1.2.3


From eaa598784db491d37bdb1b9ff87d6e6bc9979476 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 18 Aug 2026 21:51:11 +0200
Subject: Feierabend

---
 modules/core/c++/boundary.hpp | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

(limited to 'modules/core')

diff --git a/modules/core/c++/boundary.hpp b/modules/core/c++/boundary.hpp
index 8312584..ca2b228 100644
--- a/modules/core/c++/boundary.hpp
+++ b/modules/core/c++/boundary.hpp
@@ -12,7 +12,10 @@ template<uint64_t i>
 struct AntiBounceBack {};
 
 template<bool East>
-struct ZouHeVelocityX{};
+struct ZouHePressureX{};
+
+template<bool East>
+using ZouHeHorizontal = ZouHePressureX<East>;
 
 struct Equilibrium {};
 
@@ -170,7 +173,7 @@ public:
  *
  */
 template<typename FP, bool Dir, typename Encode>
-class component<FP, sch::Descriptor<2u,9u>, cmpt::ZouHeHorizontal<Dir>, Encode> final {
+class component<FP, sch::Descriptor<2u,9u>, cmpt::ZouHePressureX<Dir>, Encode> final {
 public:
 	using Descriptor = sch::Descriptor<2u,9u>;
 private:
@@ -224,7 +227,7 @@ public:
 };
 
 template<typename FP, bool East, typename Encode>
-class component<FP, sch::Descriptor<3u,27u>, cmpt::ZouHeHorizontal<East>, Encode> final {
+class component<FP, sch::Descriptor<3u,27u>, cmpt::ZouHePressureX<East>, Encode> final {
 public:
 	using Descriptor = sch::Descriptor<3u,27u>;
 private:
@@ -726,12 +729,12 @@ public:
 template<typename T, typename Descriptor, bool East, typename Encode>
 class component<T, Descriptor, cmpt::ZouHeVelocityX<East>, Encode> final {
 private:
-	saw::data<sch::Vector<T,Descriptor::D>> momentum_;
+	saw::data<sch::Vector<T,Descriptor::D>> velocity_;
 public:
 	component(
-		saw::data<sch::Vector<T,Descriptor::D>> momentum__
+		const saw::data<sch::Vector<T,Descriptor::D>>& velocity__
 	):
-		momentum_{momentum__}
+		velocity_{velocity__}
 	{}
 
 	template<typename CellFieldSchema>
@@ -753,20 +756,20 @@ public:
 		}
 
 		saw::data<sch::Scalar<T>> rho;
-		rho.at({}) = (dfs.at({0u}) + dfs.at({4u}) + dfs.at({3u}) + dir_sum * 2) / (momentum_.at({{0u}}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0)});
+		rho.at({}) = (dfs.at({0u}) + dfs.at({4u}) + dfs.at({3u}) + dir_sum * 2) / (velocity_.at({{0u}}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0)});
 
 		if constexpr (East) {
-			dfs.at({2u}) = dfs.at({1u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(2.0 / 3.0)} * rho.at({}) * momentum_.at({{0u}});
-			dfs.at({6u}) = dfs.at({5u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0 / 6.0)} * rho.at({}) * momentum_.at({{0u}})
-				+ (dfs.at({3u}) - dfs.at({4u}) + rho.at({}) * momentum_.at({{1u}})) * 0.5f;
-			dfs.at({8u}) = dfs.at({7u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0 / 6.0)} * rho.at({}) * momentum_.at({{0u}})
-				+ (dfs.at({4u}) - dfs.at({3u}) + rho.at({}) * momentum_.at({{1u}})) * 0.5f;
+			dfs.at({2u}) = dfs.at({1u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(2.0 / 3.0)} * rho.at({}) * velocity_.at({{0u}});
+			dfs.at({6u}) = dfs.at({5u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0 / 6.0)} * rho.at({}) * velocity_.at({{0u}})
+				+ (dfs.at({3u}) - dfs.at({4u}) + rho.at({}) * velocity_.at({{1u}})) * 0.5f;
+			dfs.at({8u}) = dfs.at({7u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0 / 6.0)} * rho.at({}) * velocity_.at({{0u}})
+				+ (dfs.at({4u}) - dfs.at({3u}) + rho.at({}) * velocity_.at({{1u}})) * 0.5f;
 		}else if constexpr ( not East ){
-			dfs.at({1u}) = dfs.at({2u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(2.0 / 3.0)} * rho.at({}) * momentum_.at({{0u}});
-			dfs.at({5u}) = dfs.at({6u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0 / 6.0)} * rho.at({}) * momentum_.at({{0u}})
-				+ (dfs.at({4u}) - dfs.at({3u}) + rho.at({}) * momentum_.at({{1u}}))*0.5f;
-			dfs.at({7u}) = dfs.at({8u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0 / 6.0)} * rho.at({}) * momentum_.at({{0u}})
-				+ (dfs.at({3u}) - dfs.at({4u}) + rho.at({}) * momentum_.at({{1u}}))*0.5f;
+			dfs.at({1u}) = dfs.at({2u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(2.0 / 3.0)} * rho.at({}) * velocity_.at({{0u}});
+			dfs.at({5u}) = dfs.at({6u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0 / 6.0)} * rho.at({}) * velocity_.at({{0u}})
+				+ (dfs.at({4u}) - dfs.at({3u}) + rho.at({}) * velocity_.at({{1u}}))*0.5f;
+			dfs.at({7u}) = dfs.at({8u}) + saw::data<T>{static_cast<saw::native_data_type<T>::type>(1.0 / 6.0)} * rho.at({}) * velocity_.at({{0u}})
+				+ (dfs.at({3u}) - dfs.at({4u}) + rho.at({}) * velocity_.at({{1u}}))*0.5f;
 		}
 	}
 };
-- 
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