From 45ebf7411d687ab5530431ab1bcc74edb0499c69 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Wed, 22 Apr 2026 16:48:50 +0200
Subject: Working on equalizing poiseulle_particle channel methods

---
 lib/sycl/c++/data.hpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'lib/sycl/c++/data.hpp')

diff --git a/lib/sycl/c++/data.hpp b/lib/sycl/c++/data.hpp
index 71627de..9f43848 100644
--- a/lib/sycl/c++/data.hpp
+++ b/lib/sycl/c++/data.hpp
@@ -381,7 +381,7 @@ public:
 		return data<schema::FixedArray<schema::UInt64, sizeof...(Sides)>,Encode>{{Sides...}};
 	}
 
-	auto flat_data(){
+	auto flat_data() const {
 		return values_.flat_data();
 	}
 
@@ -741,8 +741,10 @@ struct sycl_copy_helper<sch::Chunk<Sch,Ghost,Dims...>, Encode> final {
 
 		static_assert(sizeof(std::decay_t<decltype(sycl_ptr)>) == sizeof(std::decay_t<decltype(host_ptr)>), "Unequal size");
 
+		auto flat_size = host_data.flat_size();
+
 		q.submit([&](acpp::sycl::handler& h){
-			h.copy(sycl_ptr,host_ptr, saw::ct_multiply<uint64_t,Dims...>::value);
+			h.copy(sycl_ptr,host_ptr, flat_size.get());
 		}).wait();
 		return saw::make_void();
 	}
@@ -753,8 +755,10 @@ struct sycl_copy_helper<sch::Chunk<Sch,Ghost,Dims...>, Encode> final {
 
 		static_assert(sizeof(std::decay_t<decltype(sycl_ptr)>) == sizeof(std::decay_t<decltype(host_ptr)>), "Unequal size");
 
+		auto flat_size = host_data.flat_size();
+
 		q.submit([&](acpp::sycl::handler& h){
-			h.copy(host_ptr,sycl_ptr, saw::ct_multiply<uint64_t,Dims...>::value);
+			h.copy(host_ptr,sycl_ptr, flat_size.get());
 		}).wait();
 		return saw::make_void();
 	}
-- 
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