113 lines
3.5 KiB
C++
113 lines
3.5 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 <TestStdAlgorithmsCommon.hpp>
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#include <algorithm>
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namespace Test {
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namespace stdalgos {
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namespace Count {
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namespace KE = Kokkos::Experimental;
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template <class ViewType>
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void test_count(const ViewType view) {
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using value_t = typename ViewType::value_type;
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using view_host_space_t = Kokkos::View<value_t*, Kokkos::HostSpace>;
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view_host_space_t expected("count_expected", view.extent(0));
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compare_views(expected, view);
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{
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const value_t count_value = 0;
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const auto std_result =
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std::count(KE::cbegin(expected), KE::cend(expected), count_value);
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ASSERT_EQ(view.extent(0), size_t(std_result));
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// pass const iterators
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ASSERT_EQ(std_result, KE::count(exespace(), KE::cbegin(view),
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KE::cend(view), count_value));
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// pass view
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ASSERT_EQ(std_result, KE::count(exespace(), view, count_value));
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}
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{
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const value_t count_value = 13;
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const auto std_result =
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std::count(KE::cbegin(expected), KE::cend(expected), count_value);
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// pass iterators
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ASSERT_EQ(std_result, KE::count("label", exespace(), KE::begin(view),
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KE::end(view), count_value));
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// pass view
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ASSERT_EQ(std_result, KE::count("label", exespace(), view, count_value));
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}
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}
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template <class ViewType>
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void test_count_if(const ViewType view) {
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using value_t = typename ViewType::value_type;
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using view_host_space_t = Kokkos::View<value_t*, Kokkos::HostSpace>;
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view_host_space_t expected("count_expected", view.extent(0));
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compare_views(expected, view);
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// no positive elements (all zeroes)
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const auto predicate = IsPositiveFunctor<value_type>();
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ASSERT_EQ(0,
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std::count_if(KE::begin(expected), KE::end(expected), predicate));
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// pass iterators
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ASSERT_EQ(
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0, KE::count_if(exespace(), KE::begin(view), KE::end(view), predicate));
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// pass view
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ASSERT_EQ(0, KE::count_if(exespace(), view, predicate));
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fill_views_inc(view, expected);
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const auto std_result =
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std::count_if(KE::begin(expected), KE::end(expected), predicate);
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// pass const iterators
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ASSERT_EQ(std_result, KE::count_if("label", exespace(), KE::cbegin(view),
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KE::cend(view), predicate));
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// pass view
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ASSERT_EQ(std_result, KE::count_if("label", exespace(), view, predicate));
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}
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template <class Tag, class ValueType>
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void run_all_scenarios() {
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for (const auto& scenario : default_scenarios) {
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{
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auto view = create_view<ValueType>(Tag{}, scenario.second, "count");
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test_count(view);
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}
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{
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auto view = create_view<ValueType>(Tag{}, scenario.second, "count");
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test_count_if(view);
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}
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}
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}
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TEST(std_algorithms_count_test, test) {
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run_all_scenarios<DynamicTag, double>();
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run_all_scenarios<StridedTwoTag, int>();
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run_all_scenarios<StridedThreeTag, unsigned>();
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}
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} // namespace Count
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} // namespace stdalgos
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} // namespace Test
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