From: Daniel Arndt <arndtd@ornl.gov>
Date: Thu, 8 Dec 2022 14:17:51 +0000 (-0500)
Subject: Backport for Kokkos 3.0
X-Git-Tag: v9.5.0-rc1~697^2~17
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c59ea65bae36388085aded1370ac47344bf446c4;p=dealii.git

Backport for Kokkos 3.0
---

diff --git a/cmake/modules/FindDEAL_II_KOKKOS.cmake b/cmake/modules/FindDEAL_II_KOKKOS.cmake
index c147281c0d..bbe1f4054d 100644
--- a/cmake/modules/FindDEAL_II_KOKKOS.cmake
+++ b/cmake/modules/FindDEAL_II_KOKKOS.cmake
@@ -32,7 +32,7 @@ if(DEAL_II_TRILINOS_WITH_KOKKOS)
   # Let deal.II know that we have found Kokkos
   set(KOKKOS_FOUND ON)
 else()
-  find_package(Kokkos 3.0.0 QUIET
+  find_package(Kokkos 3.7.0 QUIET
     HINTS ${KOKKOS_DIR} ${Kokkos_DIR} $ENV{Kokkos_DIR}
     )
 
diff --git a/include/deal.II/lac/la_parallel_vector.templates.h b/include/deal.II/lac/la_parallel_vector.templates.h
index b280f69f9e..0733230f52 100644
--- a/include/deal.II/lac/la_parallel_vector.templates.h
+++ b/include/deal.II/lac/la_parallel_vector.templates.h
@@ -480,7 +480,9 @@ namespace LinearAlgebra
               ::dealii::MemorySpace::Device::kokkos_space::execution_space>(
               exec, 0, size),
             KOKKOS_LAMBDA(size_type i, RealType & update) {
-#if KOKKOS_VERSION < 30700
+#if KOKKOS_VERSION < 30400
+              update = fmax(update, fabs(data.values(i)));
+#elif KOKKOS_VERSION < 30700
               update = Kokkos::Experimental::fmax(
                 update, Kokkos::Experimental::fabs(data.values(i)));
 #else
diff --git a/include/deal.II/lac/vector_operations_internal.h b/include/deal.II/lac/vector_operations_internal.h
index 323ecb9705..4f2a2b475a 100644
--- a/include/deal.II/lac/vector_operations_internal.h
+++ b/include/deal.II/lac/vector_operations_internal.h
@@ -2529,7 +2529,9 @@ namespace internal
                                                                           0,
                                                                           size),
           KOKKOS_LAMBDA(size_type i, Number & update) {
-#if KOKKOS_VERSION < 30700
+#if KOKKOS_VERSION < 30400
+            update += fabs(data.values(i));
+#elif KOKKOS_VERSION < 30700
             update += Kokkos::Experimental::fabs(data.values(i));
 #else
             update += Kokkos::fabs(data.values(i));
@@ -2557,7 +2559,9 @@ namespace internal
                                                                           0,
                                                                           size),
           KOKKOS_LAMBDA(size_type i, Number & update) {
-#if KOKKOS_VERSION < 30700
+#if KOKKOS_VERSION < 30400
+            update += pow(fabs(data.values(i)), exp);
+#elif KOKKOS_VERSION < 30700
             update += Kokkos::Experimental::pow(
               Kokkos::Experimental::fabs(data.values(i)), exp);
 #else