Allow SubView to default construct inner view

This covers a use case in the (non-public) SPEC CPU lbm.
alpaka-group · Nov 21, 2023 · c402750 · c402750
1 parent 139c586
commit c402750
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/include/llama/View.hpp b/include/llama/View.hpp
@@ -741,6 +741,11 @@ namespace llama
         using size_type = typename ArrayExtents::value_type;
 
     public:
+        /// Creates a SubView given an offset. The parent view is default constructed.
+        LLAMA_FN_HOST_ACC_INLINE explicit SubView(ArrayIndex offset) : offset(offset)
+        {
+        }
+
         /// Creates a SubView given a parent \ref View and offset.
         template<typename StoredParentViewFwd>
         LLAMA_FN_HOST_ACC_INLINE SubView(StoredParentViewFwd&& parentView, ArrayIndex offset)