From 099f6db293efac39487adbb0620ad252ffb1b31b Mon Sep 17 00:00:00 2001
From: Thomas Padioleau <thomas.padioleau@cea.fr>
Date: Fri, 7 Mar 2025 18:24:00 +0100
Subject: [PATCH] Ensure the alignment is not too big (#797)

---
 include/ddc/kokkos_allocator.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/ddc/kokkos_allocator.hpp b/include/ddc/kokkos_allocator.hpp
index f58b334b4..cd6701c9a 100644
--- a/include/ddc/kokkos_allocator.hpp
+++ b/include/ddc/kokkos_allocator.hpp
@@ -15,6 +15,12 @@ namespace ddc {
 template <class T, class MemorySpace>
 class KokkosAllocator
 {
+    // Kokkos natively supports alignment for any scalar type that can be represented by the type `std::max_align_t`
+    static_assert(
+            alignof(T)
+                    <= std::max(alignof(std::max_align_t), alignof(Kokkos::complex<long double>)),
+            "Alignment not supported");
+
 public:
     using value_type = T;