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to reflect the new license. These used slightly different spellings that defeated my regular expressions. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351648
115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
// -*- C++ -*-
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//===-- test_all_of.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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#include "pstl_test_config.h"
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#include "pstl/execution"
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#include "pstl/algorithm"
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#include "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_all_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::all_of(exec, begin, end, pred);
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EXPECT_EQ(expected, actualr, "result for all_of");
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}
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};
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template <typename T>
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struct Parity
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{
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bool parity;
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public:
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Parity(bool parity_) : parity(parity_) {}
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bool
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operator()(T value) const
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{
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return (size_t(value) ^ parity) % 2 == 0;
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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 k) { 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_all_of(), in.begin(), in.end(), Parity<T>(1), true);
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invoke_on_all_policies(test_all_of(), in.cbegin(), in.cend(), Parity<T>(1), true);
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EXPECT_EQ(in, inCopy, "all_of modified input sequence");
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if (n > 0)
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{
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// Sprinkle in a miss
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in[2 * n / 3] = spike;
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invoke_on_all_policies(test_all_of(), in.begin(), in.end(), Parity<T>(1), false);
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invoke_on_all_policies(test_all_of(), in.cbegin(), in.cend(), Parity<T>(1), false);
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// Sprinkle in a few more misses
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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_all_of(), in.begin(), in.end(), Parity<T>(1), false);
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invoke_on_all_policies(test_all_of(), in.cbegin(), in.cend(), Parity<T>(1), false);
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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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all_of(exec, iter, iter, non_const(is_even));
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}
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};
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int32_t
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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 !__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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