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lammps/lib/kokkos/core/unit_test/TestArray.cpp
2022-10-04 14:04:40 -06:00

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C++

/*
//@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
*/
#include <Kokkos_Array.hpp>
namespace {
#define STATIC_ASSERT(cond) static_assert(cond, "")
KOKKOS_FUNCTION constexpr bool test_array() {
constexpr Kokkos::Array<int, 3> a{{1, 2}};
STATIC_ASSERT(!a.empty());
STATIC_ASSERT(a.size() == 3);
STATIC_ASSERT(a.max_size() == 3);
STATIC_ASSERT(*a.data() == 1);
STATIC_ASSERT(a[1] == 2);
return true;
}
STATIC_ASSERT(test_array());
#ifdef KOKKOS_ENABLE_CXX17
KOKKOS_FUNCTION constexpr bool test_array_structured_binding_support() {
constexpr Kokkos::Array<float, 2> a{};
auto& [xr, yr] = a;
(void)xr;
(void)yr;
auto [x, y] = a;
(void)x;
(void)y;
auto const& [xcr, ycr] = a;
(void)xcr;
(void)ycr;
return true;
}
STATIC_ASSERT(test_array_structured_binding_support());
#endif
} // namespace