From 94eb372b6dd81178f95635e1a9c847e7d16a8fe1 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Thu, 11 Sep 2025 16:02:16 +0200
Subject: Yesterdays dangling things

---
 .nix/adaptive-cpp.nix                      |  8 ++++++++
 c++/lbm.hpp                                |  1 +
 default.nix                                |  4 ++++
 examples/cavity_2d_gpu/.nix/derivation.nix |  6 ------
 examples/cavity_2d_gpu/SConstruct          |  6 ++++--
 examples/cavity_2d_gpu/cavity_2d_gpu.cpp   | 12 +++++++++---
 6 files changed, 26 insertions(+), 11 deletions(-)

diff --git a/.nix/adaptive-cpp.nix b/.nix/adaptive-cpp.nix
index f2d5f9b..6c70be0 100644
--- a/.nix/adaptive-cpp.nix
+++ b/.nix/adaptive-cpp.nix
@@ -37,6 +37,14 @@ in stdenv.mkDerivation {
     "-DCLANG_INCLUDE_PATH=${llvmPackages.libclang.dev}/include"
   ];
 
+  postInstall = ''
+    if [ -d "$out/include/AdaptiveCpp" ]; then
+      mv $out/include/AdaptiveCpp .hidden-fake
+      mv .hidden-fake/* $out/include/
+      rmdir .hidden-fake
+    fi
+  '';
+
   postFixup = ''
     wrapProgram $out/bin/syclcc-clang \
       --prefix PATH : ${lib.makeBinPath [ lld ]} \
diff --git a/c++/lbm.hpp b/c++/lbm.hpp
index ddd4617..39c42af 100644
--- a/c++/lbm.hpp
+++ b/c++/lbm.hpp
@@ -8,6 +8,7 @@
 #include "component.hpp"
 #include "environment.hpp"
 #include "equilibrium.hpp"
+#include "iterator.hpp"
 #include "macroscopic.hpp"
 #include "write_vtk.hpp"
 #include "util.hpp"
diff --git a/default.nix b/default.nix
index 937a1de..a26e539 100644
--- a/default.nix
+++ b/default.nix
@@ -33,4 +33,8 @@ in rec {
 			kel-lbm = lbm;
 		};
 	};
+
+	debug = {
+		inherit adaptive-cpp;
+	};
 }
diff --git a/examples/cavity_2d_gpu/.nix/derivation.nix b/examples/cavity_2d_gpu/.nix/derivation.nix
index 876bcb7..f8d7314 100644
--- a/examples/cavity_2d_gpu/.nix/derivation.nix
+++ b/examples/cavity_2d_gpu/.nix/derivation.nix
@@ -29,12 +29,6 @@ stdenv.mkDerivation {
 		kel-lbm
   ];
 
-  doCheck = true;
-  checkPhase = ''
-    scons test
-    ./bin/tests
-	'';
-
 	preferLocalBuild = true;
 
   outputs = [ "out" "dev" ];
diff --git a/examples/cavity_2d_gpu/SConstruct b/examples/cavity_2d_gpu/SConstruct
index fc60882..da59a2d 100644
--- a/examples/cavity_2d_gpu/SConstruct
+++ b/examples/cavity_2d_gpu/SConstruct
@@ -54,11 +54,13 @@ env=Environment(ENV=os.environ, variables=env_vars, CPPPATH=[],
         '-std=c++20',
         '-g',
         '-Wall',
-        '-Wextra'
+        '-Wextra',
+        '-isystem', 'AdaptiveCpp'
     ],
     LIBS=[
         'forstio-core',
-        'forstio-codec'
+        'forstio-codec',
+        'acpp-rt'
     ]
 );
 env.__class__.add_source_files = add_kel_source_files
diff --git a/examples/cavity_2d_gpu/cavity_2d_gpu.cpp b/examples/cavity_2d_gpu/cavity_2d_gpu.cpp
index dc022a1..edb7dd8 100644
--- a/examples/cavity_2d_gpu/cavity_2d_gpu.cpp
+++ b/examples/cavity_2d_gpu/cavity_2d_gpu.cpp
@@ -3,6 +3,8 @@
 #include <forstio/codec/data.hpp>
 // #include <forstio/remote/
 
+#include <AdaptiveCpp/sycl/sycl.hpp>
+
 #include <iostream>
 #include <fstream>
 #include <cmath>
@@ -111,6 +113,7 @@ constexpr size_t dim_y = 128;
 
 void set_geometry(saw::data<kel::lbm::sch::CavityFieldD2Q9>& latt){
 	using namespace kel::lbm;
+	auto meta = latt.meta();
 	/**
 	 * Set ghost
 	 */
@@ -183,8 +186,9 @@ void set_initial_conditions(saw::data<kel::lbm::sch::CavityFieldD2Q9>& latt){
 
 void lbm_step(
 	saw::data<kel::lbm::sch::CavityFieldD2Q9>& latt,
+	bool even_step,
 	uint64_t time_step,
-	sycl::queue& sycl_q
+	acpp::sycl::queue& sycl_q
 ){
 	using namespace kel::lbm;
 	using dfi = df_info<sch::T,sch::D2Q9>;
@@ -283,7 +287,8 @@ int main(){
 	 */
 	set_initial_conditions(lattice);
 
-	sycl::queue sycl_q{sycl::default_selector_v, sycl::property::queue::in_order{}};
+	acpp::sycl::queue sycl_q{acpp::sycl::default_selector_v, acpp::sycl::property::queue::in_order{}};
+	acpp::sycl::buffer<saw::data<sch::CavityFieldD2Q9>> df_sycl{&lattice, 1u};
 
 	/**
 	 * Timeloop
@@ -297,6 +302,7 @@ int main(){
 
 	saw::data<sch::Array<sch::MacroStruct<sch::T,sch::D2Q9::D>,sch::D2Q9::D>> macros{dim};
 
+
 	for(uint64_t i = 0u; i < 256u; ++i){
 		{
 			std::string vtk_f_name{"tmp/poiseulle_2d_"};
@@ -304,7 +310,7 @@ int main(){
 			write_vtk_file(vtk_f_name, macros);
 		}
 
-		lbm_step(lattice, i, sycl_q);
+		lbm_step(lattice, (i%2u == 0u), i, sycl_q);
 	}
 	return 0;
 }
-- 
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