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//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) 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.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#include <TestStdAlgorithmsCommon.hpp>
#include <algorithm>
namespace Test {
namespace stdalgos {
namespace Equal {
namespace KE = Kokkos::Experimental;
template <class ViewType>
void test_equal(const ViewType view) {
auto copy = create_deep_copyable_compatible_clone(view);
// pass iterators
EXPECT_TRUE(
KE::equal(exespace(), KE::begin(view), KE::end(view), KE::begin(copy)));
// pass views
EXPECT_TRUE(KE::equal(exespace(), view, copy));
// modify copy - make the last element different
const auto extent = view.extent(0);
if (extent > 0) {
KE::fill(exespace(), KE::end(copy) - 1, KE::end(copy), 1);
// pass const iterators
EXPECT_FALSE(KE::equal(exespace(), KE::cbegin(view), KE::cend(view),
KE::cbegin(copy)));
// pass views
EXPECT_FALSE(KE::equal("label", exespace(), view, copy));
}
}
template <class ViewType>
void test_equal_custom_comparator(const ViewType view) {
using value_t = typename ViewType::value_type;
const auto p = CustomEqualityComparator<value_t>();
auto copy = create_deep_copyable_compatible_clone(view);
// pass iterators
EXPECT_TRUE(KE::equal(exespace(), KE::begin(view), KE::end(view),
KE::begin(copy), p));
// pass views
EXPECT_TRUE(KE::equal(exespace(), view, copy, p));
// modify copy - make the last element different
const auto extent = view.extent(0);
if (extent > 0) {
KE::fill(exespace(), KE::end(copy) - 1, KE::end(copy), 1);
// pass const iterators
EXPECT_FALSE(KE::equal("label", exespace(), KE::cbegin(view),
KE::cend(view), KE::cbegin(copy), p));
// pass views
EXPECT_FALSE(KE::equal(exespace(), view, copy, p));
}
}
template <class ViewType>
void test_equal_4_iterators(const ViewType view) {
using value_t = typename ViewType::value_type;
const auto p = CustomEqualityComparator<value_t>();
auto copy = create_deep_copyable_compatible_clone(view);
// pass iterators
EXPECT_TRUE(KE::equal(exespace(), KE::begin(view), KE::end(view),
KE::begin(copy), KE::end(copy)));
// pass const and non-const iterators, custom comparator
EXPECT_TRUE(KE::equal("label", exespace(), KE::cbegin(view), KE::cend(view),
KE::begin(copy), KE::end(copy), p));
const auto extent = view.extent(0);
if (extent > 0) {
// use different length ranges, pass const iterators
EXPECT_FALSE(KE::equal(exespace(), KE::cbegin(view), KE::cend(view),
KE::cbegin(copy), KE::cend(copy) - 1));
// modify copy - make the last element different
KE::fill(exespace(), KE::end(copy) - 1, KE::end(copy), 1);
// pass const iterators
EXPECT_FALSE(KE::equal(exespace(), KE::cbegin(view), KE::cend(view),
KE::cbegin(copy), KE::cend(copy)));
}
}
template <class Tag, class ValueType>
void run_all_scenarios() {
for (const auto& scenario : default_scenarios) {
auto view = create_view<ValueType>(Tag{}, scenario.second, "equal");
test_equal(view);
test_equal_custom_comparator(view);
test_equal_4_iterators(view);
}
}
TEST(std_algorithms_equal_test, test) {
run_all_scenarios<DynamicTag, double>();
run_all_scenarios<StridedTwoTag, int>();
run_all_scenarios<StridedThreeTag, unsigned>();
}
} // namespace Equal
} // namespace stdalgos
} // namespace Test
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