1 // -*- C++ -*- 2 //===-- equal.pass.cpp ----------------------------------------------------===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "support/pstl_test_config.h" 11 12 #ifdef PSTL_STANDALONE_TESTS 13 #include "pstl/execution" 14 #include "pstl/algorithm" 15 #else 16 #include <execution> 17 #include <algorithm> 18 #endif // PSTL_STANDALONE_TESTS 19 20 #include "support/utils.h" 21 22 using namespace TestUtils; 23 24 #define CPP14_ENABLED 0 25 26 struct UserType 27 { 28 float32_t f; 29 float64_t d; 30 int32_t i; 31 size_t key; 32 33 bool 34 operator()(UserType a, UserType b) 35 { 36 return a.key < b.key; 37 } 38 bool 39 operator<(UserType a) 40 { 41 return a.key < key; 42 } 43 bool 44 operator>=(UserType a) 45 { 46 return a.key <= key; 47 } 48 bool 49 operator<=(UserType a) 50 { 51 return a.key >= key; 52 } 53 bool 54 operator==(UserType a) 55 { 56 return a.key == key; 57 } 58 bool 59 operator==(UserType a) const 60 { 61 return a.key == key; 62 } 63 bool 64 operator!=(UserType a) 65 { 66 return a.key != key; 67 } 68 UserType operator!() 69 { 70 UserType tmp; 71 tmp.key = !key; 72 return tmp; 73 } 74 friend std::ostream& 75 operator<<(std::ostream& stream, const UserType a) 76 { 77 stream << a.key; 78 return stream; 79 } 80 81 UserType() : key(-1), f(0.0f), d(0.0), i(0) {} 82 UserType(size_t Number) : key(Number), f(0.0f), d(0.0), i(0) {} 83 UserType& 84 operator=(const UserType& other) 85 { 86 key = other.key; 87 return *this; 88 } 89 UserType(const UserType& other) : key(other.key), f(other.f), d(other.d), i(other.i) {} 90 UserType(UserType&& other) : key(other.key), f(other.f), d(other.d), i(other.i) 91 { 92 other.key = -1; 93 other.f = 0.0f; 94 other.d = 0.0; 95 other.i = 0; 96 } 97 }; 98 99 struct test_one_policy 100 { 101 template <typename ExecutionPolicy, typename Iterator1, typename Iterator2> 102 void 103 operator()(ExecutionPolicy&& exec, Iterator1 first1, Iterator1 last1, Iterator2 first2, bool is_true_equal) 104 { 105 using namespace std; 106 107 auto expected = equal(first1, last1, first2); 108 auto actual = equal(exec, first1, last1, first2); 109 EXPECT_EQ(expected, actual, "result for equal for random-access iterator, checking against std::equal()"); 110 111 // testing bool 112 EXPECT_TRUE(is_true_equal == actual, "result for equal for random-access iterator, bool"); 113 114 //add C++14 equal symantics tests 115 //add more cases for inCopy size less than in 116 #if CPP14_ENABLED 117 auto actualr14 = std::equal(in.cbegin(), in.cend(), inCopy.cbegin(), inCopy.cend()); 118 EXPECT_EQ(expected, actualr14, "result for equal for random-access iterator"); 119 #endif 120 } 121 }; 122 123 template <typename T> 124 void 125 test(size_t bits) 126 { 127 for (size_t n = 1; n <= 100000; n = n <= 16 ? n + 1 : size_t(3.1415 * n)) 128 { 129 130 // Sequence of odd values 131 Sequence<T> in(n, [bits](size_t k) { return T(2 * HashBits(k, bits - 1) ^ 1); }); 132 Sequence<T> inCopy(in); 133 134 invoke_on_all_policies(test_one_policy(), in.begin(), in.end(), inCopy.begin(), true); 135 invoke_on_all_policies(test_one_policy(), in.cbegin(), in.cend(), inCopy.cbegin(), true); 136 137 // testing bool !equal() 138 inCopy[0] = !inCopy[0]; 139 invoke_on_all_policies(test_one_policy(), in.begin(), in.end(), inCopy.begin(), false); 140 invoke_on_all_policies(test_one_policy(), in.cbegin(), in.cend(), inCopy.cbegin(), false); 141 } 142 } 143 144 template <typename T> 145 struct test_non_const 146 { 147 template <typename Policy, typename FirstIterator, typename SecondInterator> 148 void 149 operator()(Policy&& exec, FirstIterator first_iter, SecondInterator second_iter) 150 { 151 equal(exec, first_iter, first_iter, second_iter, second_iter, non_const(std::equal_to<T>())); 152 } 153 }; 154 155 int32_t 156 main() 157 { 158 159 test<int32_t>(8 * sizeof(int32_t)); 160 test<uint16_t>(8 * sizeof(uint16_t)); 161 test<float64_t>(53); 162 #if !_PSTL_ICC_16_17_TEST_REDUCTION_BOOL_TYPE_RELEASE_64_BROKEN 163 test<bool>(1); 164 #endif 165 test<UserType>(256); 166 167 test_algo_basic_double<int32_t>(run_for_rnd_fw<test_non_const<int32_t>>()); 168 169 std::cout << done() << std::endl; 170 return 0; 171 } 172