forked from OSchip/llvm-project
104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
// -*- C++ -*-
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//===-- any_of.pass.cpp ---------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14
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#include "support/pstl_test_config.h"
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#include <execution>
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#include <algorithm>
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#include "support/utils.h"
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/*
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TODO: consider implementing the following tests for a better code coverage
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- correctness
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- bad input argument (if applicable)
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- data corruption around/of input and output
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- correctly work with nested parallelism
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- check that algorithm does not require anything more than is described in its requirements section
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*/
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using namespace TestUtils;
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struct test_any_of
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{
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template <typename ExecutionPolicy, typename Iterator, typename Predicate>
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void
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operator()(ExecutionPolicy&& exec, Iterator begin, Iterator end, Predicate pred, bool expected)
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{
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auto actualr = std::any_of(exec, begin, end, pred);
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EXPECT_EQ(expected, actualr, "result for any_of");
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}
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};
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template <typename T>
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void
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test(size_t bits)
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{
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for (size_t n = 0; n <= 100000; n = n <= 16 ? n + 1 : size_t(3.1415 * n))
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{
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// Sequence of odd values
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Sequence<T> in(n, [n, bits](size_t) { return T(2 * HashBits(n, bits - 1) ^ 1); });
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// Even value, or false when T is bool.
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T spike(2 * HashBits(n, bits - 1));
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Sequence<T> inCopy(in);
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invoke_on_all_policies(test_any_of(), in.begin(), in.end(), is_equal_to<T>(spike), false);
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invoke_on_all_policies(test_any_of(), in.cbegin(), in.cend(), is_equal_to<T>(spike), false);
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EXPECT_EQ(in, inCopy, "any_of modified input sequence");
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if (n > 0)
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{
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// Sprinkle in a hit
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in[2 * n / 3] = spike;
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invoke_on_all_policies(test_any_of(), in.begin(), in.end(), is_equal_to<T>(spike), true);
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invoke_on_all_policies(test_any_of(), in.cbegin(), in.cend(), is_equal_to<T>(spike), true);
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// Sprinkle in a few more hits
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in[n / 2] = spike;
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in[n / 3] = spike;
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invoke_on_all_policies(test_any_of(), in.begin(), in.end(), is_equal_to<T>(spike), true);
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invoke_on_all_policies(test_any_of(), in.cbegin(), in.cend(), is_equal_to<T>(spike), true);
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}
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}
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}
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struct test_non_const
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{
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template <typename Policy, typename Iterator>
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void
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operator()(Policy&& exec, Iterator iter)
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{
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auto is_even = [&](float64_t v) {
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uint32_t i = (uint32_t)v;
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return i % 2 == 0;
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};
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any_of(exec, iter, iter, non_const(is_even));
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}
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};
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int
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main()
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{
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test<int32_t>(8 * sizeof(int32_t));
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test<uint16_t>(8 * sizeof(uint16_t));
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test<float64_t>(53);
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#if !defined(_PSTL_ICC_16_17_TEST_REDUCTION_BOOL_TYPE_RELEASE_64_BROKEN)
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test<bool>(1);
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#endif
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test_algo_basic_single<int32_t>(run_for_rnd_fw<test_non_const>());
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std::cout << done() << std::endl;
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return 0;
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}
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