From f5c40005f576b5a3416c2cda8c60e5f100810ddb Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Wed, 5 Nov 2025 09:47:57 +0100
Subject: Dangling changes

---
 default.nix                            | 14 ++++++++++
 examples/poiseulle_3d/poiseulle_3d.cpp | 50 ++++++++++++++++++++++++++++++++++
 util/build.sh                          |  4 +--
 3 files changed, 66 insertions(+), 2 deletions(-)

diff --git a/default.nix b/default.nix
index 5f7dc1b..287ec0a 100644
--- a/default.nix
+++ b/default.nix
@@ -69,4 +69,18 @@ in rec {
 	debug = {
 		inherit adaptive-cpp;
 	};
+
+	release = {
+		dev = {
+			inherit lbm;
+		};
+
+		examples = pkgs.symlinkJoin {
+			name = "kel-lbm-sims-${version}";
+			paths = [
+				lbm
+				examples.cavity_2d_gpu
+			];
+		};
+	};
 }
diff --git a/examples/poiseulle_3d/poiseulle_3d.cpp b/examples/poiseulle_3d/poiseulle_3d.cpp
index 9220a1f..e6d0a61 100644
--- a/examples/poiseulle_3d/poiseulle_3d.cpp
+++ b/examples/poiseulle_3d/poiseulle_3d.cpp
@@ -50,6 +50,56 @@ public:
 		return inner_.internal_data();
 	}
 };
+
+template<typename Desc, typename CellT, typename Encode>
+class data<schema::Ref<kel::lbm::sch::CellField<Desc, CellT>>, encode::Sycl<Encode>> final {
+public:
+	using Schema = schema::Ref<kel::lbm::sch::CellField<Desc,CellT>>;
+	using MetaSchema = typename meta_schema<Schema>::MetaSchema;
+private:
+	data<schema::Array<CellT,Desc::D>, Encode>* inner_ref_;
+	data<schema::UInt64, Encode> size_;
+public:
+	data() = delete;
+	data(data<MetaSchema,Encode>& inner_meta__, acpp::sycl::queue& q):
+		inner_{inner_meta__,q}
+	{}
+
+	const data<MetaSchema, Encode> meta() const {
+		return inner_.dims();
+	}
+
+	template<uint64_t i>
+	data<schema::UInt64,Encode> get_dim_size() const {
+		static_assert(i < Desc::D, "Not enough dimensions");
+		return inner_.template get_dim_size<i>();
+	}
+
+	const data<CellT>& operator()(const data<schema::FixedArray<schema::UInt64, Desc::D>, Encode>& index)const{
+		return inner_.at(index);
+	}
+
+	data<CellT>& operator()(const data<schema::FixedArray<schema::UInt64, Desc::D>, Encode>& index){
+		return inner_.at(index);
+	}
+
+	const data<CellT>& at(const data<schema::FixedArray<schema::UInt64, Desc::D>, Encode>& index)const{
+		return inner_.at(index);
+	}
+
+	data<CellT>& at(const data<schema::FixedArray<schema::UInt64, Desc::D>, Encode>& index){
+		return inner_.at(index);
+	}
+
+	data<schema::UInt64,Encode> internal_size() const {
+		return inner_.internal_size();
+	}
+
+	data<CellT,Encode>* internal_data() {
+		return inner_.internal_data();
+	}
+};
+
 }
 
 namespace kel {
diff --git a/util/build.sh b/util/build.sh
index d6d0a8d..40fcae5 100755
--- a/util/build.sh
+++ b/util/build.sh
@@ -30,7 +30,7 @@ podman run --rm -it \
         set -euo pipefail
 
         # Build the derivation
-        nix-build default.nix --out-link result
+        nix-build default.nix -A release.examples --out-link result
 
         # Install fpm if missing
         if ! command -v fpm >/dev/null 2>&1; then
@@ -41,7 +41,7 @@ podman run --rm -it \
         nix-shell -p fpm --run \"fpm -s dir -t deb -n \$PKG_NAME -v \$PKG_VERSION -C result --prefix /usr/local .\"
 
         # Create .rpm package
-        nix-shell -p fpm rpm --run \"fpm -s dir -t rpm -n \$PKG_NAME -v \$PKG_VERSION -C result --prefix /usr/local .\"
+        # nix-shell -p fpm rpm --run \"fpm -s dir -t rpm -n \$PKG_NAME -v \$PKG_VERSION -C result --prefix /usr/local .\"
     "
 
 echo "✅ Build complete!"
-- 
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