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File indexing completed on 2025-01-18 09:54:47
0001 //----------------------------------*-C++-*----------------------------------// 0002 // Copyright 2023-2024 UT-Battelle, LLC, and other Celeritas developers. 0003 // See the top-level COPYRIGHT file for details. 0004 // SPDX-License-Identifier: (Apache-2.0 OR MIT) 0005 //---------------------------------------------------------------------------// 0006 //! \file corecel/data/ObserverPtr.device.hh 0007 //! \brief Interoperability with Thrust 0008 //---------------------------------------------------------------------------// 0009 #pragma once 0010 0011 #include <thrust/device_ptr.h> 0012 0013 #include "ObserverPtr.hh" 0014 0015 namespace celeritas 0016 { 0017 //---------------------------------------------------------------------------// 0018 //! Create an observer pointer from a Thrust device pointer 0019 template<class T> 0020 ObserverPtr<T, MemSpace::device> make_observer(thrust::device_ptr<T> ptr) 0021 { 0022 return ObserverPtr<T, MemSpace::device>{ptr.get()}; 0023 } 0024 0025 //---------------------------------------------------------------------------// 0026 //! Create a Thrust device pointer from an Observer pointer 0027 template<class T> 0028 thrust::device_ptr<T> device_pointer_cast(ObserverPtr<T, MemSpace::device> ptr) 0029 { 0030 return thrust::device_ptr<T>{ptr.get()}; 0031 } 0032 0033 //---------------------------------------------------------------------------// 0034 } // namespace celeritas
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