3 files changed, 46 insertions, 25 deletions
diff --git a/lib/core/c++/collision.hpp b/lib/core/c++/collision.hpp
index 349833f..f259c9f 100644
--- a/lib/core/c++/collision.hpp
+++ b/lib/core/c++/collision.hpp
@@ -18,12 +18,17 @@ struct BGKGuo {};
 template<typename T, typename Descriptor, typename Encode>
 class component<T, Descriptor, cmpt::BGK, Encode> {
 private:
-	typename saw::native_data_type<T>::type relaxation_;
+	saw::data<T> relaxation_;
 	saw::data<T> frequency_;
 public:
 	component(typename saw::native_data_type<T>::type relaxation__):
+		relaxation_{{relaxation__}},
+		frequency_{saw::data<T>{1} / relaxation_}
+	{}
+	
+	component(const saw::data<T>& relaxation__):
 		relaxation_{relaxation__},
-		frequency_{typename saw::native_data_type<T>::type(1) / relaxation_}
+		frequency_{saw::data<T>{1} / relaxation_}
 	{}
 
 	using Component = cmpt::BGK;
diff --git a/lib/core/c++/descriptor.hpp b/lib/core/c++/descriptor.hpp
index e38daee..73f0cce 100644
--- a/lib/core/c++/descriptor.hpp
+++ b/lib/core/c++/descriptor.hpp
@@ -54,6 +54,22 @@ struct CellFieldStruct {
 template<typename T, typename Desc>
 class df_info{};
 
+/*
+namespace impl {
+template<typename Desc>
+struct df_ct_helper {
+	template<uint64_t i>
+	static constexpr uint64_t apply_i(const std::array<std::array<int32_t,Desc::D>,Desc::Q>& dirs, const std::array<T,Desc::D+1u>& inp){
+		if constexpr ( i < Desc::Q ){
+			for(uint64_t j = 0u; j < Desc::D; ++j){
+			}
+		}
+		return 0u;
+	}
+};
+}
+*/
+
 template<typename T> 
 class df_info<T,sch::Descriptor<1,3>> {
 public:
@@ -214,34 +230,34 @@ public:
 	static constexpr std::array<typename saw::native_data_type<T>::type,Q> weights = {
 		8./27.,
 		// 1D
-		2./27.,
-		2./27.,
-		// 2D
-		2./27.,
-		1./9.,
 		1./36.,
 		1./36.,
+		// 2D
 		1./36.,
+		1./54.,
+		1./54.,
 		1./36.,
+		1./54.,
+		1./54.,
 		// 3D
-		8./27.,
-		1./9.,
-		1./9.,
-		1./9.,
-		1./9.,
-		1./36.,
-		1./36.,
 		1./36.,
+		1./54.,
+		1./54.,
+		1./54.,
+		1./216.,
+		1./216.,
+		1./54.,
+		1./216.,
+		1./216.,
 		1./36.,
-		8./27.,
-		1./9.,
-		1./9.,
-		1./9.,
-		1./9.,
-		1./36.,
-		1./36.,
-		1./36.,
-		1./36.
+		1./54.,
+		1./54.,
+		1./54.,
+		1./216.,
+		1./216.,
+		1./54.,
+		1./216.,
+		1./216.
 	};
 
 	static constexpr std::array<uint64_t,Q> opposite_index = {
diff --git a/lib/core/tests/memory.cpp b/lib/core/tests/memory.cpp
index cdc6f8c..d59d212 100644
--- a/lib/core/tests/memory.cpp
+++ b/lib/core/tests/memory.cpp
@@ -46,13 +46,13 @@ SAW_TEST("Memory Estimate Scalar"){
 SAW_TEST("Memory Estimate Chunk"){
 	using namespace kel::lbm;
 	
-	SAW_EXPECT((memory_estimate<sch::TChunk>().get() == 480u), std::string{"TChunk isn't 480 bytes "} + std::to_string(memory_estimate<sch::TChunk>().get()) );
+	SAW_EXPECT((memory_estimate<sch::TChunk>().get() == 480u), std::string{"TChunk isn't 480 bytes, but is "} + std::to_string(memory_estimate<sch::TChunk>().get()) );
 }
 
 SAW_TEST("Memory Estimate Struct of Chunk"){
 	using namespace kel::lbm;
 	
-	SAW_EXPECT((memory_estimate<sch::TChunkStruct>().get() == 960u), std::string{"TChunk isn't 480 bytes "} + std::to_string(memory_estimate<sch::TChunk>().get()) );
+	SAW_EXPECT((memory_estimate<sch::TChunkStruct>().get() == 960u), std::string{"TChunkStruct isn't 960 bytes, but is "} + std::to_string(memory_estimate<sch::TChunk>().get()) );
 }
 
 }