derek.holloway
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102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
//===----------------------------------------------------------------------===//
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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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// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
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//
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//===----------------------------------------------------------------------===//
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// template<class T>
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// concept integral = // see below
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#include <cuda/std/concepts>
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#include <cuda/std/type_traits>
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#include "arithmetic.h"
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#include "test_macros.h"
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using cuda::std::integral;
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template <typename T>
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__host__ __device__ constexpr bool CheckIntegralQualifiers()
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{
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constexpr bool result = integral<T>;
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static_assert(integral<const T> == result, "");
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static_assert(integral<volatile T> == result, "");
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static_assert(integral<const volatile T> == result, "");
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static_assert(!integral<T&>, "");
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static_assert(!integral<const T&>, "");
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static_assert(!integral<volatile T&>, "");
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static_assert(!integral<const volatile T&>, "");
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static_assert(!integral<T&&>, "");
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static_assert(!integral<const T&&>, "");
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static_assert(!integral<volatile T&&>, "");
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static_assert(!integral<const volatile T&&>, "");
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static_assert(!integral<T*>, "");
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static_assert(!integral<const T*>, "");
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static_assert(!integral<volatile T*>, "");
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static_assert(!integral<const volatile T*>, "");
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static_assert(!integral<T (*)()>, "");
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static_assert(!integral<T (&)()>, "");
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static_assert(!integral<T (&&)()>, "");
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return result;
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}
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// standard signed and unsigned integers
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static_assert(CheckIntegralQualifiers<signed char>(), "");
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static_assert(CheckIntegralQualifiers<unsigned char>(), "");
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static_assert(CheckIntegralQualifiers<short>(), "");
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static_assert(CheckIntegralQualifiers<unsigned short>(), "");
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static_assert(CheckIntegralQualifiers<int>(), "");
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static_assert(CheckIntegralQualifiers<unsigned int>(), "");
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static_assert(CheckIntegralQualifiers<long>(), "");
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static_assert(CheckIntegralQualifiers<unsigned long>(), "");
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static_assert(CheckIntegralQualifiers<long long>(), "");
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static_assert(CheckIntegralQualifiers<unsigned long long>(), "");
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// extended integers
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#if _CCCL_HAS_INT128()
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static_assert(CheckIntegralQualifiers<__int128_t>(), "");
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static_assert(CheckIntegralQualifiers<__uint128_t>(), "");
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#endif
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// bool and char types are also integral
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static_assert(CheckIntegralQualifiers<wchar_t>(), "");
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static_assert(CheckIntegralQualifiers<bool>(), "");
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static_assert(CheckIntegralQualifiers<char>(), "");
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#if TEST_STD_VER > 2017 && defined(__cpp_char8_t)
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static_assert(CheckIntegralQualifiers<char8_t>(), "");
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#endif // TEST_STD_VER > 2017 && defined(__cpp_char8_t)
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static_assert(CheckIntegralQualifiers<char16_t>(), "");
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static_assert(CheckIntegralQualifiers<char32_t>(), "");
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// types that aren't integral
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static_assert(!integral<void>, "");
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static_assert(!CheckIntegralQualifiers<float>(), "");
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static_assert(!CheckIntegralQualifiers<double>(), "");
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static_assert(!CheckIntegralQualifiers<long double>(), "");
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static_assert(!CheckIntegralQualifiers<ClassicEnum>(), "");
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static_assert(!CheckIntegralQualifiers<ScopedEnum>(), "");
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static_assert(!CheckIntegralQualifiers<EmptyStruct>(), "");
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static_assert(!CheckIntegralQualifiers<int EmptyStruct::*>(), "");
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static_assert(!CheckIntegralQualifiers<int (EmptyStruct::*)()>(), "");
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#if TEST_STD_VER > 2017
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static_assert(CheckSubsumption(0), "");
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static_assert(CheckSubsumption(0U), "");
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#endif // TEST_STD_VER > 2017
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int main(int, char**)
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{
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return 0;
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}
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