From 382d5b18c79339876b56358418600dbce44991b1 Mon Sep 17 00:00:00 2001
From: Baptiste Legouix <stilynx51@gmail.com>
Date: Mon, 30 Dec 2024 09:53:48 +0000
Subject: [PATCH] doc

---
 include/ddc/transform_reduce.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/ddc/transform_reduce.hpp b/include/ddc/transform_reduce.hpp
index 3a8fea38c..ab494a66c 100644
--- a/include/ddc/transform_reduce.hpp
+++ b/include/ddc/transform_reduce.hpp
@@ -120,6 +120,14 @@ T transform_reduce(
             std::forward<UnaryTransformOp>(transform));
 }
 
+/** A reduction over a nD domain in serial. Can be called from a device kernel.
+ * @param[in] domain the range over which to apply the algorithm
+ * @param[in] neutral the neutral element of the reduction operation
+ * @param[in] reduce a binary FunctionObject that will be applied in unspecified order to the
+ *            results of transform, the results of other reduce and neutral.
+ * @param[in] transform a unary FunctionObject that will be applied to each element of the input
+ *            range. The return type must be acceptable as input to reduce
+ */
 template <class... DDims, class T, class BinaryReductionOp, class UnaryTransformOp>
 KOKKOS_FUNCTION T annotated_transform_reduce(
         DiscreteDomain<DDims...> const& domain,