derek.holloway
7502bf64a4
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69 lines
1.9 KiB
C++
69 lines
1.9 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 F, class... Args>
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// concept relation;
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#include <cuda/std/concepts>
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using cuda::std::relation;
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static_assert(relation<bool(int, int), int, int>, "");
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static_assert(relation<bool(int, int), double, double>, "");
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static_assert(relation<bool(int, double), double, double>, "");
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static_assert(!relation<bool(), int, double>, "");
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static_assert(!relation<bool(int), int, double>, "");
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static_assert(!relation<bool(double), int, double>, "");
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static_assert(!relation<bool(double, double*), double, double*>, "");
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static_assert(!relation<bool(int&, int&), double&, double&>, "");
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struct S1
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{};
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static_assert(relation<bool (S1::*)(S1*), S1*, S1*>, "");
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static_assert(relation<bool (S1::*)(S1&), S1&, S1&>, "");
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struct S2
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{};
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struct P1
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{
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__host__ __device__ bool operator()(S1, S1) const;
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};
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static_assert(relation<P1, S1, S1>, "");
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struct P2
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{
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__host__ __device__ bool operator()(S1, S1) const;
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__host__ __device__ bool operator()(S1, S2) const;
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};
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static_assert(!relation<P2, S1, S2>, "");
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struct P3
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{
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__host__ __device__ bool operator()(S1, S1) const;
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__host__ __device__ bool operator()(S1, S2) const;
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__host__ __device__ bool operator()(S2, S1) const;
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};
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static_assert(!relation<P3, S1, S2>, "");
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struct P4
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{
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__host__ __device__ bool operator()(S1, S1) const;
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__host__ __device__ bool operator()(S1, S2) const;
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__host__ __device__ bool operator()(S2, S1) const;
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__host__ __device__ bool operator()(S2, S2) const;
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};
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static_assert(relation<P4, S1, S2>, "");
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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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