From f127e920a9bd365869e4461160b1936226737d7e Mon Sep 17 00:00:00 2001
From: Atell Krasnopolski <delta_atell@protonmail.com>
Date: Thu, 29 Aug 2024 18:48:40 +0200
Subject: [PATCH] Add support for basic Kokkos operations in the rvs mode

---
 include/clad/Differentiator/KokkosBuiltins.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/include/clad/Differentiator/KokkosBuiltins.h b/include/clad/Differentiator/KokkosBuiltins.h
index 1a6253027..c205cf9c1 100644
--- a/include/clad/Differentiator/KokkosBuiltins.h
+++ b/include/clad/Differentiator/KokkosBuiltins.h
@@ -30,6 +30,24 @@ constructor_pushforward(
           Kokkos::View<DataType, ViewParams...>(
               "_diff_" + name, idx0, idx1, idx2, idx3, idx4, idx5, idx6, idx7)};
 }
+template <class DataType, class... ViewParams>
+clad::ValueAndAdjoint<::Kokkos::View<DataType, ViewParams...>,
+                      ::Kokkos::View<DataType, ViewParams...>>
+constructor_reverse_forw(
+    clad::ConstructorReverseForwTag<::Kokkos::View<DataType, ViewParams...>>,
+    const ::std::string& name, const size_t& idx0, const size_t& idx1,
+    const size_t& idx2, const size_t& idx3, const size_t& idx4,
+    const size_t& idx5, const size_t& idx6, const size_t& idx7,
+    const ::std::string& /*d_name*/, const size_t& /*d_idx0*/,
+    const size_t& /*d_idx1*/, const size_t& /*d_idx2*/,
+    const size_t& /*d_idx3*/, const size_t& /*d_idx4*/,
+    const size_t& /*d_idx5*/, const size_t& /*d_idx6*/,
+    const size_t& /*d_idx7*/) {
+  return {::Kokkos::View<DataType, ViewParams...>(name, idx0, idx1, idx2, idx3,
+                                                  idx4, idx5, idx6, idx7),
+          ::Kokkos::View<DataType, ViewParams...>(
+              "_diff_" + name, idx0, idx1, idx2, idx3, idx4, idx5, idx6, idx7)};
+}
 
 /// View indexing
 template <typename View, typename Idx>