109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2017 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************************/
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#include "cutlass_unit_test.h"
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#include <cutlass/trace.h>
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#include <cute/pointer.hpp>
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TEST(CuTe_core, Pointer)
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{
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using namespace cute;
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CUTLASS_TRACE_HOST("-------------------------------");
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CUTLASS_TRACE_HOST("CuTe pointer wrappers");
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CUTLASS_TRACE_HOST("-------------------------------");
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// Test T* overloads (T can be nonconst or const)
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{
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using T = float;
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using expected_type = cute::gmem_ptr<T*>;
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T* p = nullptr;
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// explicit template argument
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auto gmem_p0 = cute::make_gmem_ptr<T>(p);
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static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
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// deduced template argument
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auto gmem_p1 = cute::make_gmem_ptr(p);
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static_assert(cute::is_same_v<decltype(gmem_p1), expected_type>);
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}
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{
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using T = float const;
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using expected_type = cute::gmem_ptr<T*>;
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T* p = nullptr;
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// explicit template argument
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auto gmem_p0 = cute::make_gmem_ptr<T>(p);
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static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
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// deduced template argument
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auto gmem_p1 = cute::make_gmem_ptr(p);
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static_assert(cute::is_same_v<decltype(gmem_p1), expected_type>);
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}
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// Test void* and void const* overloads
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// (these require an explicit template argument)
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{
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using T = float;
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using expected_type = cute::gmem_ptr<T*>;
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void* p = nullptr;
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auto gmem_p0 = cute::make_gmem_ptr<T>(p);
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static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
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}
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{
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using T = float const;
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using expected_type = cute::gmem_ptr<T*>;
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void const* p = nullptr;
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auto gmem_p0 = cute::make_gmem_ptr<T>(p);
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static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
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}
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// Test nullptr_t overload.
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{
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using T = float;
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using expected_type = cute::gmem_ptr<T*>;
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auto gmem_p0 = cute::make_gmem_ptr<T>(nullptr);
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static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
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}
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{
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using T = float const;
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using expected_type = cute::gmem_ptr<T*>;
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auto gmem_p0 = cute::make_gmem_ptr<T>(nullptr);
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static_assert(cute::is_same_v<decltype(gmem_p0), expected_type>);
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}
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}
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