From 3a1401dff3839ade801eb09598985d318e514350 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Wed, 25 Jun 2025 18:21:43 +0200
Subject: Somethings broken and I don't know what

---
 c++/collision.hpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'c++/collision.hpp')

diff --git a/c++/collision.hpp b/c++/collision.hpp
index 451e4bb..4c28712 100644
--- a/c++/collision.hpp
+++ b/c++/collision.hpp
@@ -9,6 +9,9 @@ namespace cmpt {
 struct BGK {};
 }
 
+/**
+ * Standard BGK collision operator for LBM
+ */
 template<typename T, typename Descriptor>
 class component<T, Descriptor, cmpt::BGK> {
 private:
@@ -42,8 +45,8 @@ public:
 		bool is_even = ((time_step % 2) == 0);
 		auto& cell = field(index);
 
-		auto& dfs_old = is_even ? cell.template get<"dfs_old">() : cell.template get<"dfs">();
-		auto& dfs = (!is_even) ? cell.template get<"dfs_old">() : cell.template get<"dfs">();
+		auto& dfs_old = (is_even) ? cell.template get<"dfs_old">() : cell.template get<"dfs">();
+		auto& dfs = (not is_even) ? cell.template get<"dfs_old">() : cell.template get<"dfs">();
 
 		saw::data<T> rho;
 		saw::data<sch::FixedArray<T,Descriptor::D>> vel;
-- 
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