64 lines
2.8 KiB
C++
64 lines
2.8 KiB
C++
//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 4.0
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// Copyright (2022) National Technology & Engineering
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// Solutions of Sandia, LLC (NTESS).
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
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// See https://kokkos.org/LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//@HEADER
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#include <Kokkos_Core.hpp>
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namespace {
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template <class View, size_t Rank, size_t RankDynamic>
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constexpr bool test_view_rank_and_dynamic_rank() {
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static_assert(View::rank == Rank);
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static_assert(View::rank() == Rank);
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static_assert(View::rank_dynamic == RankDynamic);
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static_assert(View::rank_dynamic() == RankDynamic);
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static_assert(std::is_convertible_v<decltype(View::rank), size_t>);
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static_assert(std::is_same_v<decltype(View::rank()), size_t>);
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static_assert(std::is_convertible_v<decltype(View::rank_dynamic), size_t>);
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static_assert(std::is_same_v<decltype(View::rank_dynamic()), size_t>);
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auto rank = View::rank; // not an integral type in contrast to Kokkos version
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// less than 4.0.01
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static_assert(!std::is_integral_v<decltype(rank)>);
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auto rank_preferred = View::rank(); // since 4.0.01
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static_assert(std::is_same_v<decltype(rank_preferred), size_t>);
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(void)rank;
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(void)rank_preferred;
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return true;
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}
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// clang-format off
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<long long>, 0, 0>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<unsigned[1]>, 1, 0>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<unsigned * >, 1, 1>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<double[1][2]>, 2, 0>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<double * [2]>, 2, 1>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<double * * >, 2, 2>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<float[1][2][3]>, 3, 0>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<float * [2][3]>, 3, 1>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<float * * [3]>, 3, 2>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<float * * * >, 3, 3>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<int[1][2][3][4]>, 4, 0>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<int * [2][3][4]>, 4, 1>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<int * * [3][4]>, 4, 2>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<int * * * [4]>, 4, 3>());
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static_assert(test_view_rank_and_dynamic_rank<Kokkos::View<int * * * * >, 4, 4>());
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//clang-format on
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} // namespace
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