Update Kokkos library in LAMMPS to v3.6.0

lib/kokkos/core/unit_test/TestRealloc.hpp

@@ -0,0 +1,164 @@
+/*
+//@HEADER
+// ************************************************************************
+//
+//                        Kokkos v. 3.0
+//       Copyright (2020) National Technology & Engineering
+//               Solutions of Sandia, LLC (NTESS).
+//
+// Under the terms of Contract DE-NA0003525 with NTESS,
+// the U.S. Government retains certain rights in this software.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the Corporation nor the names of the
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
+//
+// ************************************************************************
+//@HEADER
+*/
+#ifndef TESTREALLOC_HPP_
+#define TESTREALLOC_HPP_
+
+#include <gtest/gtest.h>
+#include <Kokkos_Core.hpp>
+
+namespace TestViewRealloc {
+
+struct Default {};
+struct WithoutInitializing {};
+
+template <typename View, typename... Args>
+inline void realloc_dispatch(Default, View& v, Args&&... args) {
+  Kokkos::realloc(v, std::forward<Args>(args)...);
+}
+
+template <typename View, typename... Args>
+inline void realloc_dispatch(WithoutInitializing, View& v, Args&&... args) {
+  Kokkos::realloc(Kokkos::WithoutInitializing, v, std::forward<Args>(args)...);
+}
+
+template <class DeviceType, class Tag = Default>
+void impl_testRealloc() {
+  const size_t sizes[8] = {2, 3, 4, 5, 6, 7, 8, 9};
+
+  // Check #904 fix (no reallocation if dimensions didn't change).
+  {
+    using view_type = Kokkos::View<int*, DeviceType>;
+    view_type view_1d("view_1d", sizes[0]);
+    const int* oldPointer = view_1d.data();
+    EXPECT_TRUE(oldPointer != nullptr);
+    realloc_dispatch(Tag{}, view_1d, sizes[0]);
+    const int* newPointer = view_1d.data();
+    EXPECT_TRUE(oldPointer == newPointer);
+  }
+  {
+    using view_type = Kokkos::View<int**, DeviceType>;
+    view_type view_2d("view_2d", sizes[0], sizes[1]);
+    const int* oldPointer = view_2d.data();
+    EXPECT_TRUE(oldPointer != nullptr);
+    realloc_dispatch(Tag{}, view_2d, sizes[0], sizes[1]);
+    const int* newPointer = view_2d.data();
+    EXPECT_TRUE(oldPointer == newPointer);
+  }
+  {
+    using view_type = Kokkos::View<int***, DeviceType>;
+    view_type view_3d("view_3d", sizes[0], sizes[1], sizes[2]);
+    const int* oldPointer = view_3d.data();
+    EXPECT_TRUE(oldPointer != nullptr);
+    realloc_dispatch(Tag{}, view_3d, sizes[0], sizes[1], sizes[2]);
+    const int* newPointer = view_3d.data();
+    EXPECT_TRUE(oldPointer == newPointer);
+  }
+  {
+    using view_type = Kokkos::View<int****, DeviceType>;
+    view_type view_4d("view_4d", sizes[0], sizes[1], sizes[2], sizes[3]);
+    const int* oldPointer = view_4d.data();
+    EXPECT_TRUE(oldPointer != nullptr);
+    realloc_dispatch(Tag{}, view_4d, sizes[0], sizes[1], sizes[2], sizes[3]);
+    const int* newPointer = view_4d.data();
+    EXPECT_TRUE(oldPointer == newPointer);
+  }
+  {
+    using view_type = Kokkos::View<int*****, DeviceType>;
+    view_type view_5d("view_5d", sizes[0], sizes[1], sizes[2], sizes[3],
+                      sizes[4]);
+    const int* oldPointer = view_5d.data();
+    EXPECT_TRUE(oldPointer != nullptr);
+    realloc_dispatch(Tag{}, view_5d, sizes[0], sizes[1], sizes[2], sizes[3],
+                     sizes[4]);
+    const int* newPointer = view_5d.data();
+    EXPECT_TRUE(oldPointer == newPointer);
+  }
+  {
+    using view_type = Kokkos::View<int******, DeviceType>;
+    view_type view_6d("view_6d", sizes[0], sizes[1], sizes[2], sizes[3],
+                      sizes[4], sizes[5]);
+    const int* oldPointer = view_6d.data();
+    EXPECT_TRUE(oldPointer != nullptr);
+    realloc_dispatch(Tag{}, view_6d, sizes[0], sizes[1], sizes[2], sizes[3],
+                     sizes[4], sizes[5]);
+    const int* newPointer = view_6d.data();
+    EXPECT_TRUE(oldPointer == newPointer);
+  }
+  {
+    using view_type = Kokkos::View<int*******, DeviceType>;
+    view_type view_7d("view_7d", sizes[0], sizes[1], sizes[2], sizes[3],
+                      sizes[4], sizes[5], sizes[6]);
+    const int* oldPointer = view_7d.data();
+    EXPECT_TRUE(oldPointer != nullptr);
+    realloc_dispatch(Tag{}, view_7d, sizes[0], sizes[1], sizes[2], sizes[3],
+                     sizes[4], sizes[5], sizes[6]);
+    const int* newPointer = view_7d.data();
+    EXPECT_TRUE(oldPointer == newPointer);
+  }
+  {
+    using view_type = Kokkos::View<int********, DeviceType>;
+    view_type view_8d("view_8d", sizes[0], sizes[1], sizes[2], sizes[3],
+                      sizes[4], sizes[5], sizes[6], sizes[7]);
+    const int* oldPointer = view_8d.data();
+    EXPECT_TRUE(oldPointer != nullptr);
+    realloc_dispatch(Tag{}, view_8d, sizes[0], sizes[1], sizes[2], sizes[3],
+                     sizes[4], sizes[5], sizes[6], sizes[7]);
+    const int* newPointer = view_8d.data();
+    EXPECT_TRUE(oldPointer == newPointer);
+  }
+}
+
+template <class DeviceType>
+void testRealloc() {
+  {
+    impl_testRealloc<DeviceType>();  // with data initialization
+  }
+  {
+    impl_testRealloc<DeviceType,
+                     WithoutInitializing>();  // without data initialization
+  }
+}
+
+}  // namespace TestViewRealloc
+#endif  // TESTREALLOC_HPP_