168 lines
6.2 KiB
C++
168 lines
6.2 KiB
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 <TestStdAlgorithmsCommon.hpp>
|
|
#include <std_algorithms/Kokkos_BeginEnd.hpp>
|
|
#include <std_algorithms/Kokkos_NonModifyingSequenceOperations.hpp>
|
|
#include <algorithm>
|
|
|
|
namespace Test {
|
|
namespace stdalgos {
|
|
namespace ForEach {
|
|
|
|
namespace KE = Kokkos::Experimental;
|
|
|
|
template <class ViewType>
|
|
void test_for_each(const ViewType view) {
|
|
using value_t = typename ViewType::value_type;
|
|
using view_host_space_t = Kokkos::View<value_t*, Kokkos::HostSpace>;
|
|
|
|
view_host_space_t expected("for_each_expected", view.extent(0));
|
|
compare_views(expected, view);
|
|
|
|
const auto mod_functor = IncrementElementWiseFunctor<value_t>();
|
|
|
|
// pass view, functor takes non-const ref
|
|
KE::for_each("label", exespace(), view, mod_functor);
|
|
std::for_each(KE::begin(expected), KE::end(expected), mod_functor);
|
|
compare_views(expected, view);
|
|
|
|
// pass iterators, functor takes non-const ref
|
|
KE::for_each(exespace(), KE::begin(view), KE::end(view), mod_functor);
|
|
std::for_each(KE::begin(expected), KE::end(expected), mod_functor);
|
|
compare_views(expected, view);
|
|
|
|
const auto non_mod_functor = NoOpNonMutableFunctor<value_t>();
|
|
|
|
// pass view, functor takes const ref
|
|
KE::for_each(exespace(), view, non_mod_functor);
|
|
std::for_each(KE::begin(expected), KE::end(expected), non_mod_functor);
|
|
compare_views(expected, view);
|
|
|
|
// pass const iterators, functor takes const ref
|
|
KE::for_each(exespace(), KE::cbegin(view), KE::cend(view), non_mod_functor);
|
|
std::for_each(KE::begin(expected), KE::end(expected), non_mod_functor);
|
|
compare_views(expected, view);
|
|
|
|
#if defined(KOKKOS_ENABLE_CXX11_DISPATCH_LAMBDA)
|
|
const auto mod_lambda = KOKKOS_LAMBDA(value_t & i) { ++i; };
|
|
|
|
// pass view, lambda takes non-const ref
|
|
KE::for_each(exespace(), view, mod_lambda);
|
|
std::for_each(KE::begin(expected), KE::end(expected), mod_lambda);
|
|
compare_views(expected, view);
|
|
|
|
// pass iterators, lambda takes non-const ref
|
|
KE::for_each(exespace(), KE::begin(view), KE::end(view), mod_lambda);
|
|
std::for_each(KE::begin(expected), KE::end(expected), mod_lambda);
|
|
compare_views(expected, view);
|
|
|
|
const auto non_mod_lambda = KOKKOS_LAMBDA(const value_t& i) { (void)i; };
|
|
|
|
// pass view, lambda takes const ref
|
|
KE::for_each(exespace(), view, non_mod_lambda);
|
|
std::for_each(KE::cbegin(expected), KE::cend(expected), non_mod_lambda);
|
|
compare_views(expected, view);
|
|
|
|
// pass const iterators, lambda takes const ref
|
|
KE::for_each(exespace(), KE::cbegin(view), KE::cend(view), non_mod_lambda);
|
|
std::for_each(KE::cbegin(expected), KE::cend(expected), non_mod_lambda);
|
|
compare_views(expected, view);
|
|
#endif
|
|
}
|
|
|
|
// std::for_each_n is C++17, so we cannot compare results directly
|
|
template <class ViewType>
|
|
void test_for_each_n(const ViewType view) {
|
|
using value_t = typename ViewType::value_type;
|
|
const std::size_t n = view.extent(0);
|
|
|
|
const auto non_mod_functor = NoOpNonMutableFunctor<value_t>();
|
|
|
|
// pass const iterators, functor takes const ref
|
|
EXPECT_EQ(KE::cbegin(view) + n,
|
|
KE::for_each_n(exespace(), KE::cbegin(view), n, non_mod_functor));
|
|
verify_values(value_t{0}, view);
|
|
|
|
// pass view, functor takes const ref
|
|
EXPECT_EQ(KE::begin(view) + n,
|
|
KE::for_each_n(exespace(), view, n, non_mod_functor));
|
|
verify_values(value_t{0}, view);
|
|
|
|
// pass iterators, functor takes non-const ref
|
|
const auto mod_functor = IncrementElementWiseFunctor<value_t>();
|
|
EXPECT_EQ(KE::begin(view) + n,
|
|
KE::for_each_n(exespace(), KE::begin(view), n, mod_functor));
|
|
verify_values(value_t{1}, view);
|
|
|
|
// pass view, functor takes non-const ref
|
|
EXPECT_EQ(KE::begin(view) + n,
|
|
KE::for_each_n("label", exespace(), view, n, mod_functor));
|
|
verify_values(value_t{2}, view);
|
|
}
|
|
|
|
template <class Tag, class ValueType>
|
|
void run_all_scenarios() {
|
|
for (const auto& scenario : default_scenarios) {
|
|
{
|
|
auto view = create_view<ValueType>(Tag{}, scenario.second, "for_each");
|
|
test_for_each(view);
|
|
}
|
|
{
|
|
auto view = create_view<ValueType>(Tag{}, scenario.second, "for_each_n");
|
|
test_for_each_n(view);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(std_algorithms_for_each_test, test) {
|
|
run_all_scenarios<DynamicTag, double>();
|
|
run_all_scenarios<StridedTwoTag, int>();
|
|
run_all_scenarios<StridedThreeTag, unsigned>();
|
|
}
|
|
|
|
} // namespace ForEach
|
|
} // namespace stdalgos
|
|
} // namespace Test
|